{"kind": "tool", "major": "18", "item": {"slug": "dropdb", "name": "dropdb", "name_zh": "", "category": "\u5ba2\u6237\u7aef\u7a0b\u5e8f", "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "aliases": ["dropdb"], "content_hash": "7a48b613a83a3c39269ed5a714169fedb620ff3127a7b40a71908b1e759ce4ce", "versions": {"10": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "10.23"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/10/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/10/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/10/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/10/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/10/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/10/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/10/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/10/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/10/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/10/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/10/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/10/postgresql-10-A4.pdf", "bytes": 12631706, "pages": 2591, "sha256": "34497ab9efb45c5bdf1bd11b9016b5451354feb462fa029cf74557a5fa5fbbc1", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/10/postgresql-10-US.pdf", "bytes": 12531684, "pages": 2724, "sha256": "429cc7133ddf4f97c560aa466dc9caea4b718721a8321e293357037cf0af4733", "built_at": "2026-09-26"}}, "tree": "10", "index": "index.html", "major": "10", "pages": 1085, "release": "10.23", "source_url": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "svg_assets": 0, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "revision": "f9301feba91e2e2566038a36b8cee0e4402db68989538f88670fddd20b1f78ea", "evidence_kind": "English manual and source declarations", "source_sha256": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/app-dropdb.html", "file": "app-dropdb.html", "label": "10.23 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "b39a2404a577681b0877c68de3a1a1fb8527da3a456e686f1764cfe925d7c982"}, {"url": "/docs/10/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "e4330732b6acd6c025a1fbdce45574b23d964de847a1b849ea88b98ab628d2e2"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/10/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "42e7266fc8065a9f28fce81b48cbfaf383a9ec476520d2d27e75760367e6caaf", "fragment_sha256": "b2d83308c223285f5f11a4453b15187a450598376d450963eb7c622f8e8d076d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "ef91f6b0f121ab50588028f9efecbf345ab512ac6e73b39d195ea587d718e2e2", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "f9301feba91e2e2566038a36b8cee0e4402db68989538f88670fddd20b1f78ea"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "10.23"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "10", "text_hash": "02244eb3b194d71d176d215157337150481dca736fefba9c3edc75c555c55081", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "f9301feba91e2e2566038a36b8cee0e4402db68989538f88670fddd20b1f78ea"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "10.23"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/10/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "42e7266fc8065a9f28fce81b48cbfaf383a9ec476520d2d27e75760367e6caaf", "fragment_sha256": "b2d83308c223285f5f11a4453b15187a450598376d450963eb7c622f8e8d076d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "ef91f6b0f121ab50588028f9efecbf345ab512ac6e73b39d195ea587d718e2e2", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "f9301feba91e2e2566038a36b8cee0e4402db68989538f88670fddd20b1f78ea"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p> <span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p><span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4 <a class=\"xref\" href=\"/zh/docs/10/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a> \u7684\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002</p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p> <span class=\"application\">dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p> <span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/10/libpq.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/10/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219", "version": "10", "link_map": {"/zh/docs/10/app-dropdb.html": "/docs/10/app-dropdb.html", "/zh/docs/10/sql-dropdatabase.html": "/docs/10/sql-dropdatabase.html", "/zh/docs/10/libpq.html#LIBPQ-CONNSTRING": "/docs/10/libpq.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p> <span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p><span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/10/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002</p></div><div><h2>\u9009\u9879</h2><p> <span>dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p> <span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/10/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/10/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "3b85cf39c9b4d74736e1895a2650e357508c8df18d34195797fa24d5a914aaa5", "content_hash": "02244eb3b194d71d176d215157337150481dca736fefba9c3edc75c555c55081", "source_database": "center", "source_revision": "f9301feba91e2e2566038a36b8cee0e4402db68989538f88670fddd20b1f78ea"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/10/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/10/app-dropdb.html", "method": "same-major semantic node", "sha256": "2b3089a4481f45831baee5de7f832bff536ede209f0e6e6cc20230d143c49c3d", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/10/facts/0/label": "Documented executable", "/versions/10/facts/1/label": "Executable version", "/versions/10/facts/2/label": "Reference inventory", "/versions/10/facts/2/value": "Client applications", "/versions/10/facts/3/label": "Option definition groups", "/versions/10/tables/0/title": "Documented options", "/versions/10/tables/1/title": "Environment variables", "/versions/10/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/10/tables/0/rows/1/summary": "Issues a verification prompt before doing anything destructive.", "/versions/10/tables/0/rows/2/summary": "Print the dropdb version and exit.", "/versions/10/tables/0/rows/3/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/10/tables/0/rows/4/summary": "Show help about dropdb command line arguments, and exit.", "/versions/10/tables/0/rows/5/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/10/tables/0/rows/6/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/10/tables/0/rows/7/summary": "User name to connect as.", "/versions/10/tables/0/rows/8/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/10/tables/0/rows/9/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/10/tables/0/columns/0/label": "Option and arguments", "/versions/10/tables/0/columns/1/label": "Description", "/versions/10/tables/0/rows/10/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/10/tables/1/columns/0/label": "Variable", "/versions/10/tables/1/columns/1/label": "Meaning", "/versions/10/tables/1/rows/0/description": "Default connection parameters"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "590d13d296b624370dbc9d45cf204b153e1c6d1deb3f408697cd82736f80be5e", "canonical_center_text_hash": "02244eb3b194d71d176d215157337150481dca736fefba9c3edc75c555c55081"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}]}, "comparison_hash": "d906eb64744add1165ba1ad329b44be6492080d24c523c1af60e36e1b029175a", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p> <span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p><span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/10/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002</p></div><div><h2>\u9009\u9879</h2><p> <span>dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p> <span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/10/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/10/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "11": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "11.22"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/11/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/11/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/11/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/11/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/11/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/11/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/11/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/11/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/11/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/11/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/11/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/11/postgresql-11-A4.pdf", "bytes": 13057499, "pages": 2732, "sha256": "41d75855e610d0d9b8802b87dc5b080bef8d7e91c7cf69401fbf8d3cf801b4b5", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/11/postgresql-11-US.pdf", "bytes": 12961189, "pages": 2883, "sha256": "6a8899ef36935a5b7ed2b436207564a567a4ef1eb1c2200195876b8de4d4fa30", "built_at": "2026-09-26"}}, "tree": "11", "index": "index.html", "major": "11", "pages": 1125, "release": "11.22", "source_url": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "svg_assets": 0, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f", "evidence_kind": "English manual and source declarations", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "/docs/11/app-dropdb.html", "file": "app-dropdb.html", "label": "11.22 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "a5e970a61a807b0b64ea21252aa399cea4577dfaa4d43b97726bb4f212a43822"}, {"url": "/docs/11/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "3a30e696058b118a55cc42892c39671d9bae86f77e1024d5ebcc4688ad9ab4c3"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/11/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "dc025da13ac79898bdf5cff2f2d7482fee57e624ba410aea308d7cad2632f3cf", "fragment_sha256": "8b2d548616e975a6359275318d11ba5de35f4ad06beec56dd15e8274ef57d04b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "7b07be925d996aa76643ecc1c331bbf654163e9215b0af9a7e7347717162233e", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "11.22"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "11", "text_hash": "dcdf95cfab92652899f01d886ace5a6956032ea7b6eebae4f70042b472425910", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "11.22"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/11/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "dc025da13ac79898bdf5cff2f2d7482fee57e624ba410aea308d7cad2632f3cf", "fragment_sha256": "8b2d548616e975a6359275318d11ba5de35f4ad06beec56dd15e8274ef57d04b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "7b07be925d996aa76643ecc1c331bbf654163e9215b0af9a7e7347717162233e", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4 <a class=\"xref\" href=\"/zh/docs/11/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/11/libpq.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/11/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09", "version": "11", "link_map": {"/zh/docs/11/app-dropdb.html": "/docs/11/app-dropdb.html", "/zh/docs/11/sql-dropdatabase.html": "/docs/11/sql-dropdatabase.html", "/zh/docs/11/libpq.html#LIBPQ-CONNSTRING": "/docs/11/libpq.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/11/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/11/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/11/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "21730e5f38d2dda3abd951118ffcd3637fd61d04c248070588d4ffd3f7dc3176", "content_hash": "dcdf95cfab92652899f01d886ace5a6956032ea7b6eebae4f70042b472425910", "source_database": "center", "source_revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/11/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/11/app-dropdb.html", "method": "same-major semantic node", "sha256": "288fde1b34eb5e8d52c8b37161ac524a8eb47241f2b1438e3d7fa66ae52b95d2", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/11/facts/0/label": "Documented executable", "/versions/11/facts/1/label": "Executable version", "/versions/11/facts/2/label": "Reference inventory", "/versions/11/facts/2/value": "Client applications", "/versions/11/facts/3/label": "Option definition groups", "/versions/11/tables/0/title": "Documented options", "/versions/11/tables/1/title": "Environment variables", "/versions/11/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/11/tables/0/rows/1/summary": "Issues a verification prompt before doing anything destructive.", "/versions/11/tables/0/rows/2/summary": "Print the dropdb version and exit.", "/versions/11/tables/0/rows/3/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/11/tables/0/rows/4/summary": "Show help about dropdb command line arguments, and exit.", "/versions/11/tables/0/rows/5/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/11/tables/0/rows/6/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/11/tables/0/rows/7/summary": "User name to connect as.", "/versions/11/tables/0/rows/8/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/11/tables/0/rows/9/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/11/tables/0/columns/0/label": "Option and arguments", "/versions/11/tables/0/columns/1/label": "Description", "/versions/11/tables/0/rows/10/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/11/tables/1/columns/0/label": "Variable", "/versions/11/tables/1/columns/1/label": "Meaning", "/versions/11/tables/1/rows/0/description": "Default connection parameters"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "037d57e07ee0840915d30598e8e4e655a19770b5f625701cd8d0925e5c2cf6e9", "canonical_center_text_hash": "dcdf95cfab92652899f01d886ace5a6956032ea7b6eebae4f70042b472425910"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}]}, "comparison_hash": "d906eb64744add1165ba1ad329b44be6492080d24c523c1af60e36e1b029175a", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/11/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/11/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/11/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "12": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "12.22"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/12/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/12/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/12/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/12/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/12/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/12/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/12/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/12/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/12/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/12/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/12/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/12/postgresql-12-A4.pdf", "bytes": 13424351, "pages": 2803, "sha256": "7422cf53fd1939e7a3d2925231a88b0330e468afa5393627cac0ff86158a0621", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/12/postgresql-12-US.pdf", "bytes": 13322565, "pages": 2958, "sha256": "51f3b04e72907fc38512685946223452ea65f84419c60c66241dfa3396035e77", "built_at": "2026-09-26"}}, "tree": "12", "index": "index.html", "major": "12", "pages": 1131, "release": "12.22", "source_url": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "svg_assets": 2, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4", "evidence_kind": "English manual and source declarations", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "/docs/12/app-dropdb.html", "file": "app-dropdb.html", "label": "12.22 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "8c1e3369b335ad130df0bb67e854fe204cac7eefa58df0c98bb935aefd45676d"}, {"url": "/docs/12/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "089624dd131f52eea682b304f87a1acb03392ee7bcf78b000699c9b17c7ca22d"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/12/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "9ba8bc86837482c6a09a63ba6b2900ef2df026c332dd4a96a70df6f267275986", "fragment_sha256": "45124dc0d50a510a60ce5ed837cd8ad0822f7a22da997d43c5db0b5519d72179", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "0f685802f3440266af97b2e2a7bf6c6f8b64d124f11f9e296b08c96aa619f48b", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "12.22"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "12", "text_hash": "f5760bce6082854bd84bfc24ca3ec930d036fc1da3d6fa1ae555f0e26cce8008", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "12.22"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "11"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/12/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "9ba8bc86837482c6a09a63ba6b2900ef2df026c332dd4a96a70df6f267275986", "fragment_sha256": "45124dc0d50a510a60ce5ed837cd8ad0822f7a22da997d43c5db0b5519d72179", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "0f685802f3440266af97b2e2a7bf6c6f8b64d124f11f9e296b08c96aa619f48b", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4 <a class=\"xref\" href=\"/zh/docs/12/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/12/libpq.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/12/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09", "version": "12", "link_map": {"/zh/docs/12/app-dropdb.html": "/docs/12/app-dropdb.html", "/zh/docs/12/sql-dropdatabase.html": "/docs/12/sql-dropdatabase.html", "/zh/docs/12/libpq.html#LIBPQ-CONNSTRING": "/docs/12/libpq.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/12/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/12/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/12/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "a5ed4ae0132227a5df9f1c1d98f53a3501364357f7bfd38c21373c8686593c3f", "content_hash": "f5760bce6082854bd84bfc24ca3ec930d036fc1da3d6fa1ae555f0e26cce8008", "source_database": "center", "source_revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/12/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/12/app-dropdb.html", "method": "same-major semantic node", "sha256": "07fa18556358e82f7dac6d4be226bedde8a360dff3db0b169099ee86bf8b7192", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/12/facts/0/label": "Documented executable", "/versions/12/facts/1/label": "Executable version", "/versions/12/facts/2/label": "Reference inventory", "/versions/12/facts/2/value": "Client applications", "/versions/12/facts/3/label": "Option definition groups", "/versions/12/tables/0/title": "Documented options", "/versions/12/tables/1/title": "Environment variables", "/versions/12/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/12/tables/0/rows/1/summary": "Issues a verification prompt before doing anything destructive.", "/versions/12/tables/0/rows/2/summary": "Print the dropdb version and exit.", "/versions/12/tables/0/rows/3/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/12/tables/0/rows/4/summary": "Show help about dropdb command line arguments, and exit.", "/versions/12/tables/0/rows/5/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/12/tables/0/rows/6/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/12/tables/0/rows/7/summary": "User name to connect as.", "/versions/12/tables/0/rows/8/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/12/tables/0/rows/9/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/12/tables/0/columns/0/label": "Option and arguments", "/versions/12/tables/0/columns/1/label": "Description", "/versions/12/tables/0/rows/10/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/12/tables/1/columns/0/label": "Variable", "/versions/12/tables/1/columns/1/label": "Meaning", "/versions/12/tables/1/rows/0/description": "Default connection parameters", "/versions/12/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "eb481c36e36bb1731f6f634098364d20cd2a9d09f5881439774e2bd5854cf7b9", "canonical_center_text_hash": "f5760bce6082854bd84bfc24ca3ec930d036fc1da3d6fa1ae555f0e26cce8008"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "33d61f567d867c0ef682b5090775e9963ccd455a53117fc5b5a933c04b84ab4c", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/12/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4ee5\u4e0b\u547d\u4ee4\u884c\u53c2\u6570\uff1a</p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/12/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/12/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "13": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "13.23"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/13/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/13/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/13/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/13/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/13/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/13/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/13/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/13/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/13/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/13/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/13/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/13/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/13/postgresql-13-A4.pdf", "bytes": 13843239, "pages": 2826, "sha256": "171cc09f90936dbc1cbd503a98ff07ae72ea58ab9771ff051313f1217737799c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/13/postgresql-13-US.pdf", "bytes": 13739572, "pages": 2984, "sha256": "48d09c6e197d9db4220f41afe83efe848a8661b1b168d3b89419751ecaf6c24d", "built_at": "2026-09-26"}}, "tree": "13", "index": "index.html", "major": "13", "pages": 1139, "release": "13.23", "source_url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6", "evidence_kind": "English manual and source declarations", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "/docs/13/app-dropdb.html", "file": "app-dropdb.html", "label": "13.23 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "fb5847b2c6a257c62daf42d2c57e6752516cc9e67d7b0131078b097a4ffb50f3"}, {"url": "/docs/13/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "2a16c2982d9803edd4bd6920f76b66083e7f2959182d6a3bcec7ccfbac0a9ad8"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/13/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "c6180923068f0a6e05818314e623c29120b71cce249adb9235cd5c6aec26ba94", "fragment_sha256": "e89bf33383ddc37e72bee94094d06dd1f5fe5ac01486ca8138e904789acb7b2d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "ad35a5498ac5489e18149e7ac2520c900781c24636eeb666e431562ca903cfac", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "13.23"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "13", "text_hash": "cea854f2308b41c6f273da0d807a888791403cdd2b889ddf7409ade1f4ac78c8", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "13.23"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/13/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "c6180923068f0a6e05818314e623c29120b71cce249adb9235cd5c6aec26ba94", "fragment_sha256": "e89bf33383ddc37e72bee94094d06dd1f5fe5ac01486ca8138e904789acb7b2d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "ad35a5498ac5489e18149e7ac2520c900781c24636eeb666e431562ca903cfac", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4 <a class=\"xref\" href=\"/zh/docs/13/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/13/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/13/libpq.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/13/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "13", "link_map": {"/zh/docs/13/app-dropdb.html": "/docs/13/app-dropdb.html", "/zh/docs/13/sql-dropdatabase.html": "/docs/13/sql-dropdatabase.html", "/zh/docs/13/libpq.html#LIBPQ-CONNSTRING": "/docs/13/libpq.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/13/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/13/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/13/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/13/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "f691278b2247d1d7ca9c004754da82b344fb07518f58177bafc4169a66a63720", "content_hash": "cea854f2308b41c6f273da0d807a888791403cdd2b889ddf7409ade1f4ac78c8", "source_database": "center", "source_revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/13/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/13/app-dropdb.html", "method": "same-major semantic node", "sha256": "647ed3ca39e9c1004a0f1bee2a0bdd7e585545f6be233263d217c179cf2e14c3", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/13/facts/0/label": "Documented executable", "/versions/13/facts/1/label": "Executable version", "/versions/13/facts/2/label": "Reference inventory", "/versions/13/facts/2/value": "Client applications", "/versions/13/facts/3/label": "Option definition groups", "/versions/13/tables/0/title": "Documented options", "/versions/13/tables/1/title": "Environment variables", "/versions/13/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/13/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/13/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/13/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/13/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/13/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/13/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/13/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/13/tables/0/rows/8/summary": "User name to connect as.", "/versions/13/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/13/tables/0/columns/0/label": "Option and arguments", "/versions/13/tables/0/columns/1/label": "Description", "/versions/13/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/13/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/13/tables/1/columns/0/label": "Variable", "/versions/13/tables/1/columns/1/label": "Meaning", "/versions/13/tables/1/rows/0/description": "Default connection parameters", "/versions/13/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "7aac93cc7b36b76d58e3f124160956fc49844a83a49092304b6d0ddea19c5549", "canonical_center_text_hash": "cea854f2308b41c6f273da0d807a888791403cdd2b889ddf7409ade1f4ac78c8"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4 <a href=\"/zh/docs/13/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/13/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/13/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/13/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "14": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "14.24"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/14/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/14/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/14/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/14/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/14/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/14/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/14/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/14/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/14/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/14/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/14/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/14/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/14/postgresql-14-A4.pdf", "bytes": 14354704, "pages": 2944, "sha256": "8bc6b9dd7b246888bb77f0a5e8c39a2eae52e9926569832669c7d1600becb27c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/14/postgresql-14-US.pdf", "bytes": 14242178, "pages": 3102, "sha256": "b7ecb5a5f62d8b9f73a69e25a7d26ba285373bc53168a553bff7b77955506db4", "built_at": "2026-09-26"}}, "tree": "14", "index": "index.html", "major": "14", "pages": 1158, "release": "14.24", "source_url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae", "evidence_kind": "English manual and source declarations", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "/docs/14/app-dropdb.html", "file": "app-dropdb.html", "label": "14.24 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "8ad6d892f37dec150d467c2a4b78a3244902a454220d8e8258bdb4816f858995"}, {"url": "/docs/14/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "5a13567a052954dfe494dfaab9f50919faa1ae56023930fdbb78d45e53feccde"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/14/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "b69436e7c2ce37b5c3ddb756ceb8686f20ac224e2878a01bb049b30dc3a86d6e", "fragment_sha256": "6ca9907458db4d2723d265e1a7f42eca087d59479bdcd56ce028067c1b8e899b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "f5c5a07b50cae31ed576f3ff694439429d1c37122a7c8ce8cbde320afb16c075", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "14.24"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "14", "text_hash": "88e256769733e45e2e2cf8240a882b21a0fbaea52821599eba2e8d9e8c61b96b", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "14.24"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/14/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "b69436e7c2ce37b5c3ddb756ceb8686f20ac224e2878a01bb049b30dc3a86d6e", "fragment_sha256": "6ca9907458db4d2723d265e1a7f42eca087d59479bdcd56ce028067c1b8e899b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "f5c5a07b50cae31ed576f3ff694439429d1c37122a7c8ce8cbde320afb16c075", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/14/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/14/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/14/libpq.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/14/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "14", "link_map": {"/zh/docs/14/app-dropdb.html": "/docs/14/app-dropdb.html", "/zh/docs/14/sql-dropdatabase.html": "/docs/14/sql-dropdatabase.html", "/zh/docs/14/libpq.html#LIBPQ-CONNSTRING": "/docs/14/libpq.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/14/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/14/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/14/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/14/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "00ed03ff0f6812cf598a1e9fd931c4c179d141b68361c35b6d042512c4f7fd23", "content_hash": "88e256769733e45e2e2cf8240a882b21a0fbaea52821599eba2e8d9e8c61b96b", "source_database": "center", "source_revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/14/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/14/app-dropdb.html", "method": "same-major semantic node", "sha256": "c6d19d3bdc935a67b65e133c22dc70b19ee8030988c1823d7e31769ab9f02c08", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/14/facts/0/label": "Documented executable", "/versions/14/facts/1/label": "Executable version", "/versions/14/facts/2/label": "Reference inventory", "/versions/14/facts/2/value": "Client applications", "/versions/14/facts/3/label": "Option definition groups", "/versions/14/tables/0/title": "Documented options", "/versions/14/tables/1/title": "Environment variables", "/versions/14/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/14/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/14/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/14/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/14/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/14/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/14/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/14/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/14/tables/0/rows/8/summary": "User name to connect as.", "/versions/14/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/14/tables/0/columns/0/label": "Option and arguments", "/versions/14/tables/0/columns/1/label": "Description", "/versions/14/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/14/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/14/tables/1/columns/0/label": "Variable", "/versions/14/tables/1/columns/1/label": "Meaning", "/versions/14/tables/1/rows/0/description": "Default connection parameters", "/versions/14/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "f6770c287416e5b10c243b369b920746949860d6e6964b0f64a1541f84273095", "canonical_center_text_hash": "88e256769733e45e2e2cf8240a882b21a0fbaea52821599eba2e8d9e8c61b96b"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/14/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/14/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/14/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/14/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "15": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "15.19"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/15/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/15/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/15/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/15/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/15/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/15/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/15/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/15/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/15/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/15/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/15/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/15/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/15/postgresql-15-A4.pdf", "bytes": 14609140, "pages": 2987, "sha256": "66228564a4d16efb47d6a914085716ecfe22ca1566db56bc7c3d82f790646d72", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/15/postgresql-15-US.pdf", "bytes": 14495690, "pages": 3153, "sha256": "645a498c2390d47a6223ec74770631185807a19c484edb0fc5a295d9f460bc02", "built_at": "2026-09-26"}}, "tree": "15", "index": "index.html", "major": "15", "pages": 1168, "release": "15.19", "source_url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545", "evidence_kind": "English manual and source declarations", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "/docs/15/app-dropdb.html", "file": "app-dropdb.html", "label": "15.19 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "dd2161573ea601df5c5b026d916a8d1ac3b460c6bc727299e6b4046d43d922fd"}, {"url": "/docs/15/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "015b2ea2bd205946a55a1b837e735570631bac831c92074a6bf58444f9a3cb98"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/15/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "1d42d45c5646360f36772bd5943361466975c2e2b80d63f89f750645df97aff1", "fragment_sha256": "4bf40b621725045a1dc7aafc214fa232e9f1ef579f9d270ade3142ef53c39f41", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "6292c48271ac913ed2679cfbd0c838e4f352c7dbed816faf03c414470258e240", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "15.19"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "15", "text_hash": "2c73e75e8fba09fda6d8aef284498f9c991e21078bd216ce37b8397ecd146f32", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "15.19"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/15/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "1d42d45c5646360f36772bd5943361466975c2e2b80d63f89f750645df97aff1", "fragment_sha256": "4bf40b621725045a1dc7aafc214fa232e9f1ef579f9d270ade3142ef53c39f41", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "6292c48271ac913ed2679cfbd0c838e4f352c7dbed816faf03c414470258e240", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/15/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/15/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/15/libpq.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/15/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "15", "link_map": {"/zh/docs/15/app-dropdb.html": "/docs/15/app-dropdb.html", "/zh/docs/15/sql-dropdatabase.html": "/docs/15/sql-dropdatabase.html", "/zh/docs/15/libpq.html#LIBPQ-CONNSTRING": "/docs/15/libpq.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/15/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/15/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/15/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/15/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "20850d1729531219862871abf28aeaeb8e617b6e3359fad39f3fb50762a215e2", "content_hash": "2c73e75e8fba09fda6d8aef284498f9c991e21078bd216ce37b8397ecd146f32", "source_database": "center", "source_revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/15/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/15/app-dropdb.html", "method": "same-major semantic node", "sha256": "4d28075701d2f730f0cf2a04882fb5e15b57bec2711a4e1cbe5c21e489d32657", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/15/facts/0/label": "Documented executable", "/versions/15/facts/1/label": "Executable version", "/versions/15/facts/2/label": "Reference inventory", "/versions/15/facts/2/value": "Client applications", "/versions/15/facts/3/label": "Option definition groups", "/versions/15/tables/0/title": "Documented options", "/versions/15/tables/1/title": "Environment variables", "/versions/15/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/15/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/15/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/15/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/15/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/15/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/15/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/15/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/15/tables/0/rows/8/summary": "User name to connect as.", "/versions/15/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/15/tables/0/columns/0/label": "Option and arguments", "/versions/15/tables/0/columns/1/label": "Description", "/versions/15/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/15/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/15/tables/1/columns/0/label": "Variable", "/versions/15/tables/1/columns/1/label": "Meaning", "/versions/15/tables/1/rows/0/description": "Default connection parameters", "/versions/15/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "a367b01006e707918c29b59e915aa51cc352bff6addfc503c18eb4d0027e643c", "canonical_center_text_hash": "2c73e75e8fba09fda6d8aef284498f9c991e21078bd216ce37b8397ecd146f32"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/15/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/15/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/15/libpq.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/15/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "16": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "16.15"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/16/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/16/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/16/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/16/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/16/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/16/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/16/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/16/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/16/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/16/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/16/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/16/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/16/postgresql-16-A4.pdf", "bytes": 15282337, "pages": 3055, "sha256": "4bb6c1f63deedac98736d8c4c7bc0fad0ac24e85b07e21ee10411872f06afd06", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/16/postgresql-16-US.pdf", "bytes": 15164148, "pages": 3220, "sha256": "5b6b6166c89991199e144bb0ae34c17a5f29826251dbf19db1abc0df3a3e771b", "built_at": "2026-09-26"}}, "tree": "16", "index": "index.html", "major": "16", "pages": 1169, "release": "16.15", "source_url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef", "evidence_kind": "English manual and source declarations", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "/docs/16/app-dropdb.html", "file": "app-dropdb.html", "label": "16.15 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "99ca7a4c52c33fd0b86977c272540798c997974475d67ee421da487b74fbcd59"}, {"url": "/docs/16/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "a28c30c3c0f8783e16d56413a0b6fd39487e336da1683b29b60abf1c229cef26"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/16/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "1026f24f1d03f909db79cc18db13fef55b6ad4b59fce7d9f8197438ba1e97de1", "fragment_sha256": "effbe82101a4549f49616a7fc16631183b67a05df00ce8be2c8d3bf7acd9b553", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "214fb557e970dc2c85c3b2906c93616c2b9bb1e1592e01f00e0e34a2453d8494", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "16.15"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "16", "text_hash": "f11a06d4ebcf96c6e7c300d8ce966bf9bd1740a3c44173846b390208ef36ae46", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "16.15"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/16/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "1026f24f1d03f909db79cc18db13fef55b6ad4b59fce7d9f8197438ba1e97de1", "fragment_sha256": "effbe82101a4549f49616a7fc16631183b67a05df00ce8be2c8d3bf7acd9b553", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "214fb557e970dc2c85c3b2906c93616c2b9bb1e1592e01f00e0e34a2453d8494", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/16/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/16/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/16/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/16/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "16", "link_map": {"/zh/docs/16/app-dropdb.html": "/docs/16/app-dropdb.html", "/zh/docs/16/sql-dropdatabase.html": "/docs/16/sql-dropdatabase.html", "/zh/docs/16/libpq-connect.html#LIBPQ-CONNSTRING": "/docs/16/libpq-connect.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/16/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/16/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/16/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/16/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "8709a8bbc5e98ab4cb6560629da97bfa313ec89fd2e0e99d027d1f08cd38cffe", "content_hash": "f11a06d4ebcf96c6e7c300d8ce966bf9bd1740a3c44173846b390208ef36ae46", "source_database": "center", "source_revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/16/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/16/app-dropdb.html", "method": "same-major semantic node", "sha256": "8fb6a6e2f171acdcaa745ae73433d89e1f564d8b48849614c8649e554bba9644", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/16/facts/0/label": "Documented executable", "/versions/16/facts/1/label": "Executable version", "/versions/16/facts/2/label": "Reference inventory", "/versions/16/facts/2/value": "Client applications", "/versions/16/facts/3/label": "Option definition groups", "/versions/16/tables/0/title": "Documented options", "/versions/16/tables/1/title": "Environment variables", "/versions/16/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/16/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/16/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/16/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/16/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/16/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/16/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/16/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/16/tables/0/rows/8/summary": "User name to connect as.", "/versions/16/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/16/tables/0/columns/0/label": "Option and arguments", "/versions/16/tables/0/columns/1/label": "Description", "/versions/16/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/16/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/16/tables/1/columns/0/label": "Variable", "/versions/16/tables/1/columns/1/label": "Meaning", "/versions/16/tables/1/rows/0/description": "Default connection parameters", "/versions/16/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "487e98cc52ed156a494bc35dfa821049acd6cee280fad5b7b93a6abd2538f2b8", "canonical_center_text_hash": "f11a06d4ebcf96c6e7c300d8ce966bf9bd1740a3c44173846b390208ef36ae46"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/16/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/16/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/16/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/16/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "17": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "17.11"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/17/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/17/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/17/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/17/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/17/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/17/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/17/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/17/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/17/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/17/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/17/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/17/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/17/postgresql-17-A4.pdf", "bytes": 15521293, "pages": 3099, "sha256": "1991354df0dc89e70ec39328c28988ef8b19c6a93671dab3893650b63e9f4e36", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/17/postgresql-17-US.pdf", "bytes": 15398150, "pages": 3270, "sha256": "07696c8f38abf31babf22d2db337093936e7c472d2af36d050b000c49bbcf52c", "built_at": "2026-09-26"}}, "tree": "17", "index": "index.html", "major": "17", "pages": 1143, "release": "17.11", "source_url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487", "evidence_kind": "English manual and source declarations", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "/docs/17/app-dropdb.html", "file": "app-dropdb.html", "label": "17.11 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "f2475e43dca472c1d7ed3c365027d24cd7871d1a649d418f3cf581305babb1db"}, {"url": "/docs/17/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "3194fc72ddad8e2fcba55f8e007f83413cb352146cb65aaa9457a18d0314ee1b"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/17/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "5b54e25baf3c41e7464ef42bf3d4de391982d00a2e88a1c7574d53f4dae84a0e", "fragment_sha256": "ca0a967cebb1aeea8cd4a90767cd7022cfcb8d43ce73fc0f74f85d2243ae9991", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "5f5e091518992016072e86a5012bac0d7da1914978f54a08dcda3604e2693ab5", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "17.11"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "17", "text_hash": "189b0f912cc366e6c6844f5ccd4b01440741692c18c435e24dd63c9576cb8ef7", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "17.11"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/17/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "5b54e25baf3c41e7464ef42bf3d4de391982d00a2e88a1c7574d53f4dae84a0e", "fragment_sha256": "ca0a967cebb1aeea8cd4a90767cd7022cfcb8d43ce73fc0f74f85d2243ae9991", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "5f5e091518992016072e86a5012bac0d7da1914978f54a08dcda3604e2693ab5", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/17/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/17/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/17/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/17/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "17", "link_map": {"/zh/docs/17/app-dropdb.html": "/docs/17/app-dropdb.html", "/zh/docs/17/sql-dropdatabase.html": "/docs/17/sql-dropdatabase.html", "/zh/docs/17/libpq-connect.html#LIBPQ-CONNSTRING": "/docs/17/libpq-connect.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/17/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/17/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/17/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/17/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "fa2f5000cce736518777af1da9a00b199138881f329c67c410235494cbdecb13", "content_hash": "189b0f912cc366e6c6844f5ccd4b01440741692c18c435e24dd63c9576cb8ef7", "source_database": "center", "source_revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/17/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/17/app-dropdb.html", "method": "same-major semantic node", "sha256": "7bf3d36c87059c58b44135ba13a06a316e4c0f511cfa6e02c7a4b1582b6bb36a", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/17/facts/0/label": "Documented executable", "/versions/17/facts/1/label": "Executable version", "/versions/17/facts/2/label": "Reference inventory", "/versions/17/facts/2/value": "Client applications", "/versions/17/facts/3/label": "Option definition groups", "/versions/17/tables/0/title": "Documented options", "/versions/17/tables/1/title": "Environment variables", "/versions/17/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/17/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/17/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/17/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/17/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/17/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/17/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/17/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/17/tables/0/rows/8/summary": "User name to connect as.", "/versions/17/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/17/tables/0/columns/0/label": "Option and arguments", "/versions/17/tables/0/columns/1/label": "Description", "/versions/17/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/17/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/17/tables/1/columns/0/label": "Variable", "/versions/17/tables/1/columns/1/label": "Meaning", "/versions/17/tables/1/rows/0/description": "Default connection parameters", "/versions/17/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3bdeb5a36907949f3119bd36590c03ca14f4c416a1b9553725268d039e07f7a2", "canonical_center_text_hash": "189b0f912cc366e6c6844f5ccd4b01440741692c18c435e24dd63c9576cb8ef7"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/17/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/17/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/17/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/17/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "18": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "18.6"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/18/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/18/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/18/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/18/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/18/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/18/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/18/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/18/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/18/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/18/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/18/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/18/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/app-dropdb.html", "file": "app-dropdb.html", "label": "18.6 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "0a5a5822bf696b52df84777543e8f340c4a5028588d8e193b470471298b88513"}, {"url": "/docs/18/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "68f726af77272fe73a827be2b7b5958d0f2239a6f8ed44264e9d42496bfa4fd0"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "ef0fe289cbcde3f126dec473ecd00175b8ee854d24c0de46b514c3c8d333c298", "fragment_sha256": "e126d8a39fd23d2691d3c601a27bb5e776e1deaa777b7001026cc2af200203e3", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "fe608860f6d8b99107ead1ef52ec72698c1518f7968073c88cb7caa3a528e72d", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "18.6"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "18", "text_hash": "d57fcc2dd51ab737728a0ed5c5d379e6fa7a1d7d7dadd6a23fac26e50fbe4f8e", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "18.6"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "ef0fe289cbcde3f126dec473ecd00175b8ee854d24c0de46b514c3c8d333c298", "fragment_sha256": "e126d8a39fd23d2691d3c601a27bb5e776e1deaa777b7001026cc2af200203e3", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "fe608860f6d8b99107ead1ef52ec72698c1518f7968073c88cb7caa3a528e72d", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/18/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/18/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/18/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "18", "link_map": {"/zh/docs/18/app-dropdb.html": "/docs/18/app-dropdb.html", "/zh/docs/18/sql-dropdatabase.html": "/docs/18/sql-dropdatabase.html", "/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING": "/docs/18/libpq-connect.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/18/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "557a6b1aca15556be6950b52cf341532dc855f392670fff0a124e9dff590d1dd", "content_hash": "d57fcc2dd51ab737728a0ed5c5d379e6fa7a1d7d7dadd6a23fac26e50fbe4f8e", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/18/app-dropdb.html", "method": "same-major semantic node", "sha256": "58e357f486e875429383f54c472422906863ce9a53e1afc742d19b8a4e188324", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/18/facts/0/label": "Documented executable", "/versions/18/facts/1/label": "Executable version", "/versions/18/facts/2/label": "Reference inventory", "/versions/18/facts/2/value": "Client applications", "/versions/18/facts/3/label": "Option definition groups", "/versions/18/tables/0/title": "Documented options", "/versions/18/tables/1/title": "Environment variables", "/versions/18/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/18/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/18/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/18/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/18/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/18/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/18/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/18/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/18/tables/0/rows/8/summary": "User name to connect as.", "/versions/18/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/18/tables/0/columns/0/label": "Option and arguments", "/versions/18/tables/0/columns/1/label": "Description", "/versions/18/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/18/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/18/tables/1/columns/0/label": "Variable", "/versions/18/tables/1/columns/1/label": "Meaning", "/versions/18/tables/1/rows/0/description": "Default connection parameters", "/versions/18/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "46e7a8a1d1e0c31f9e73fcbc15dc8c12856c7098507203b69a828e21814bd7a4", "canonical_center_text_hash": "d57fcc2dd51ab737728a0ed5c5d379e6fa7a1d7d7dadd6a23fac26e50fbe4f8e"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/18/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f SQL \u547d\u4ee4\n   <a href=\"/docs/18/sql-dropdatabase.html\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/docs/18/sql-dropdatabase.html\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/docs/18/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "19": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "19rc1"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/19/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/19/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/19/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/19/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/19/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/19/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/19/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/19/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/19/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/19/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/19/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/19/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "19rc1", "major": "19", "channel": "preview", "manifest": {"major": "19", "release": "19rc1", "source_url": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "source_sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "revision": "d18947140876810d6024d5349bfc5822da04a1b923777cac5009d0665d889008", "evidence_kind": "English manual and source declarations", "source_sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sources": [{"url": "/docs/19/app-dropdb.html", "file": "app-dropdb.html", "label": "19rc1 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "3e77238457fafe7a7d3d129a751da2131ca1d6c4d03f7c4fb6177c6648dc57dc"}, {"url": "/docs/19/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "ab2a86a10cfae6eb5f1b1f45af7251da7841d24f9c333b189dd07111c7f911d6"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/19/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "2adf8aa56e08b7106eba17b66133283dee3fad98f5d7ca9d77424ea0f820d561", "fragment_sha256": "75d5b6a47fda947cdcb99234b2af1ef882b1d382c2b0039655933644066e8e58", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "ac7d270fb3da3f65cd4ba7a08d5e425961d005e9c7a27eaf06af4e0c1d1f371c", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "d18947140876810d6024d5349bfc5822da04a1b923777cac5009d0665d889008"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "19rc1"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "19", "text_hash": "02c9c989bb9d09ad4619d6a2079b5041ac32e2b926bbac76b74015d08d637f07", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "d18947140876810d6024d5349bfc5822da04a1b923777cac5009d0665d889008"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "19rc1"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/19/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "2adf8aa56e08b7106eba17b66133283dee3fad98f5d7ca9d77424ea0f820d561", "fragment_sha256": "75d5b6a47fda947cdcb99234b2af1ef882b1d382c2b0039655933644066e8e58", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "ac7d270fb3da3f65cd4ba7a08d5e425961d005e9c7a27eaf06af4e0c1d1f371c", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "d18947140876810d6024d5349bfc5822da04a1b923777cac5009d0665d889008"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/19/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span> </dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span> </dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span> </dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/19/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span> </dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span> </dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span> </dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span> </dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span> </dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span> </dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span> </dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/19/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/19/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "19", "link_map": {"/zh/docs/19/app-dropdb.html": "/docs/19/app-dropdb.html", "/zh/docs/19/sql-dropdatabase.html": "/docs/19/sql-dropdatabase.html", "/zh/docs/19/libpq-connect.html#LIBPQ-CONNSTRING": "/docs/19/libpq-connect.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/19/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span> </dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span> </dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span> </dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/19/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span> </dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span> </dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span> </dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span> </dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span> </dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span> </dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span> </dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/19/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/19/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "d14d5815a4d9263b866ffa0bd94a4b019a96df8f85d858d43bb503c9da4fe1b1", "content_hash": "02c9c989bb9d09ad4619d6a2079b5041ac32e2b926bbac76b74015d08d637f07", "source_database": "center", "source_revision": "d18947140876810d6024d5349bfc5822da04a1b923777cac5009d0665d889008"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/19/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/19/app-dropdb.html", "method": "same-major semantic node", "sha256": "8f6f339471341e19a9a6df99f245db6f5e38dd8060858edde3f9b3f7566ea429", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/19/facts/0/label": "Documented executable", "/versions/19/facts/1/label": "Executable version", "/versions/19/facts/2/label": "Reference inventory", "/versions/19/facts/2/value": "Client applications", "/versions/19/facts/3/label": "Option definition groups", "/versions/19/tables/0/title": "Documented options", "/versions/19/tables/1/title": "Environment variables", "/versions/19/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/19/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/19/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/19/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/19/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/19/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/19/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/19/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/19/tables/0/rows/8/summary": "User name to connect as.", "/versions/19/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/19/tables/0/columns/0/label": "Option and arguments", "/versions/19/tables/0/columns/1/label": "Description", "/versions/19/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/19/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/19/tables/1/columns/0/label": "Variable", "/versions/19/tables/1/columns/1/label": "Meaning", "/versions/19/tables/1/rows/0/description": "Default connection parameters", "/versions/19/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "6429469275db8fb9b3ede9c2728f920f54fa9fb9f8bfbc1aa8cfb322a4619017", "canonical_center_text_hash": "02c9c989bb9d09ad4619d6a2079b5041ac32e2b926bbac76b74015d08d637f07"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/19/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span> </dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span> </dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span> </dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/19/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span> </dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span> </dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span> </dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span> </dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span> </dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span> </dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span> </dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span> </dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/19/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/19/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "d18947140876810d6024d5349bfc5822da04a1b923777cac5009d0665d889008", "previous_source_revision": "1bbbbf4133d426f0e4304010688d2984c30fb67df0cc3a61b3e37eb3f6f37833"}}, "20": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "20devel"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/devel/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/devel/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/devel/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/devel/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/devel/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/devel/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/devel/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/devel/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/devel/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/devel/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/devel/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/devel/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "manifest": {"major": "20", "release": "20devel", "source_url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "source_sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "revision": "1a7c6c7636e5e62d87e76e3586ffcfdfba79093ddd5daa598c7f722ccfa45d5d", "evidence_kind": "English manual and source declarations", "source_sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sources": [{"url": "/docs/devel/app-dropdb.html", "file": "app-dropdb.html", "label": "20devel English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "15b2810fcc45f1d835d7e56b893f5537a25d56becb0697e11d46041d2b5d2b22"}, {"url": "/docs/devel/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "419b16ef6b7c36441a0e510690e9af5d9a45b515b71db2fcb604cea67345297b"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/devel/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "0d1b504f19e66942ce4026614a8cbe33a7aaff33a52f58cb7f87a10f5b1786e8", "fragment_sha256": "dd19e9b7380ca23dbac928cc78782d81d2355c1eb9ac981506fb4ef7a09df861", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "d66681945a4306ef71d36683007f0ddf9e4817e69e11d0eaa63d06fdbbf25d48", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "1a7c6c7636e5e62d87e76e3586ffcfdfba79093ddd5daa598c7f722ccfa45d5d"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "20devel"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "20", "text_hash": "6b5a238a594c33b8e36c160036e85c342d1c347fffc05a8eaa532ab86363b917", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "1a7c6c7636e5e62d87e76e3586ffcfdfba79093ddd5daa598c7f722ccfa45d5d"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "20devel"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/devel/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "0d1b504f19e66942ce4026614a8cbe33a7aaff33a52f58cb7f87a10f5b1786e8", "fragment_sha256": "dd19e9b7380ca23dbac928cc78782d81d2355c1eb9ac981506fb4ef7a09df861", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "d66681945a4306ef71d36683007f0ddf9e4817e69e11d0eaa63d06fdbbf25d48", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "1a7c6c7636e5e62d87e76e3586ffcfdfba79093ddd5daa598c7f722ccfa45d5d"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/devel/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/devel/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/devel/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/devel/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "20", "link_map": {"/zh/docs/devel/app-dropdb.html": "/docs/devel/app-dropdb.html", "/zh/docs/devel/sql-dropdatabase.html": "/docs/devel/sql-dropdatabase.html", "/zh/docs/devel/libpq-connect.html#LIBPQ-CONNSTRING": "/docs/devel/libpq-connect.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/devel/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/devel/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/devel/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/devel/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "72cf9b3734e15856f21308920358b98080a7a437062c8c443cb3f4eee7d655fa", "content_hash": "6b5a238a594c33b8e36c160036e85c342d1c347fffc05a8eaa532ab86363b917", "source_database": "center", "source_revision": "1a7c6c7636e5e62d87e76e3586ffcfdfba79093ddd5daa598c7f722ccfa45d5d"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/devel/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/app-dropdb.html", "method": "same-major semantic node", "sha256": "f05f84a58233fc558b856b13bdb7f3cf6779f53237e420d0bc22132fa855cb18", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/summary": "dropdb \u2014 remove a PostgreSQL database", "/category": "Client applications", "/versions/20/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/20/facts/0/label": "Documented executable", "/versions/20/facts/1/label": "Executable version", "/versions/20/facts/2/label": "Reference inventory", "/versions/20/facts/2/value": "Client applications", "/versions/20/facts/3/label": "Option definition groups", "/versions/20/tables/0/title": "Documented options", "/versions/20/tables/1/title": "Environment variables", "/versions/20/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/20/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/20/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/20/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/20/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/20/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/20/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/20/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/20/tables/0/rows/8/summary": "User name to connect as.", "/versions/20/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/20/tables/0/columns/0/label": "Option and arguments", "/versions/20/tables/0/columns/1/label": "Description", "/versions/20/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/20/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/20/tables/1/columns/0/label": "Variable", "/versions/20/tables/1/columns/1/label": "Meaning", "/versions/20/tables/1/rows/0/description": "Default connection parameters", "/versions/20/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "611e7fdc39cfed05b424473e60138053980c04006c870c1139f686f1f1856681", "canonical_center_text_hash": "6b5a238a594c33b8e36c160036e85c342d1c347fffc05a8eaa532ab86363b917"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/devel/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/devel/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/devel/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/devel/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "1a7c6c7636e5e62d87e76e3586ffcfdfba79093ddd5daa598c7f722ccfa45d5d", "previous_source_revision": "2eba5e0fd4c3bffb2803247b6cd537878e9d6ee5a6dfbe3c50ece8b421b80918"}}}}, "snapshot": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "18.6"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "options": [{"names": ["-e", "--echo"], "summary": "Echo the commands that dropdb generates and sends to the server.", "signature": "-e --echo", "source_url": "/docs/18/app-dropdb.html", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "signature": "-f --force", "source_url": "/docs/18/app-dropdb.html", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "summary": "Issues a verification prompt before doing anything destructive.", "signature": "-i --interactive", "source_url": "/docs/18/app-dropdb.html", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "summary": "Print the dropdb version and exit.", "signature": "-V --version", "source_url": "/docs/18/app-dropdb.html", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "signature": "--if-exists", "source_url": "/docs/18/app-dropdb.html", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "summary": "Show help about dropdb command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/18/app-dropdb.html", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "signature": "-h host --host= host", "source_url": "/docs/18/app-dropdb.html", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "signature": "-p port --port= port", "source_url": "/docs/18/app-dropdb.html", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "summary": "User name to connect as.", "signature": "-U username --username= username", "source_url": "/docs/18/app-dropdb.html", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "signature": "-w --no-password", "source_url": "/docs/18/app-dropdb.html", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "summary": "Force dropdb to prompt for a password before connecting to a database.", "signature": "-W --password", "source_url": "/docs/18/app-dropdb.html", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "signature": "--maintenance-db= dbname", "source_url": "/docs/18/app-dropdb.html", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/app-dropdb.html", "file": "app-dropdb.html", "label": "18.6 English manual \u00b7 app-dropdb.html", "anchor": "", "sha256": "0a5a5822bf696b52df84777543e8f340c4a5028588d8e193b470471298b88513"}, {"url": "/docs/18/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "68f726af77272fe73a827be2b7b5958d0f2239a6f8ed44264e9d42496bfa4fd0"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "ef0fe289cbcde3f126dec473ecd00175b8ee854d24c0de46b514c3c8d333c298", "fragment_sha256": "e126d8a39fd23d2691d3c601a27bb5e776e1deaa777b7001026cc2af200203e3", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "fe608860f6d8b99107ead1ef52ec72698c1518f7968073c88cb7caa3a528e72d", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "facts_zh": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "18.6"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "sections": [], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "center_zh": {"title": "dropdb", "locale": "zh-Hans", "source": {"key": "dropdb", "locale": "zh-Hans", "version": "18", "text_hash": "d57fcc2dd51ab737728a0ed5c5d379e6fa7a1d7d7dadd6a23fac26e50fbe4f8e", "collection": "tool", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "payload": {"facts": [{"label": "\u624b\u518c\u4e2d\u7684\u53ef\u6267\u884c\u7a0b\u5e8f", "value": "dropdb"}, {"label": "\u7a0b\u5e8f\u7248\u672c", "value": "18.6"}, {"label": "\u53c2\u8003\u6e05\u5355", "value": "\u5ba2\u6237\u7aef\u7a0b\u5e8f"}, {"label": "\u9009\u9879\u5b9a\u4e49\u7ec4", "value": "12"}], "tables": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-identity", "manual": {"url": "/zh/docs/18/app-dropdb.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "app-dropdb.html", "extraction": "command-description-and-options", "source_hash": "ef0fe289cbcde3f126dec473ecd00175b8ee854d24c0de46b514c3c8d333c298", "fragment_sha256": "e126d8a39fd23d2691d3c601a27bb5e776e1deaa777b7001026cc2af200203e3", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "fe608860f6d8b99107ead1ef52ec72698c1518f7968073c88cb7caa3a528e72d", "runtime_rerun": false, "authored_translation": "source-derived-identity", "source_facts_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "sections": [], "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div class=\"refsect1\"><h2>\u63cf\u8ff0</h2><p>\n<span class=\"application\">dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span class=\"productname\">PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span class=\"application\">dropdb</span> \u662f <acronym class=\"acronym\">SQL</acronym> \u547d\u4ee4\n   <a class=\"link\" href=\"/zh/docs/18/sql-dropdatabase.html\"><code class=\"command\">DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div class=\"refsect1\"><h2>\u9009\u9879</h2><p>\n<span class=\"application\">dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><em class=\"replaceable\"><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-e</code><br/></span><span class=\"term\"><code class=\"option\">--echo</code></span></dt><dd><p>\n        \u56de\u663e <span class=\"application\">dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-f</code><br/></span><span class=\"term\"><code class=\"option\">--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a class=\"xref\" href=\"/zh/docs/18/sql-dropdatabase.html\"><span class=\"refentrytitle\">DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-i</code><br/></span><span class=\"term\"><code class=\"option\">--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-V</code><br/></span><span class=\"term\"><code class=\"option\">--version</code></span></dt><dd><p>\n       \u6253\u5370 <span class=\"application\">dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-?</code><br/></span><span class=\"term\"><code class=\"option\">--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span class=\"application\">dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span class=\"application\">dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div class=\"variablelist\"><dl class=\"variablelist\"><dt><span class=\"term\"><code class=\"option\">-h <em class=\"replaceable\"><code>host</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--host=<em class=\"replaceable\"><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-p <em class=\"replaceable\"><code>port</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--port=<em class=\"replaceable\"><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-U <em class=\"replaceable\"><code>username</code></em></code><br/></span><span class=\"term\"><code class=\"option\">--username=<em class=\"replaceable\"><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-w</code><br/></span><span class=\"term\"><code class=\"option\">--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code class=\"filename\">.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">-W</code><br/></span><span class=\"term\"><code class=\"option\">--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span class=\"application\">dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span class=\"application\">dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span class=\"application\">dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code class=\"option\">-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span class=\"term\"><code class=\"option\">--maintenance-db=<em class=\"replaceable\"><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code class=\"literal\">postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code class=\"literal\">template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a class=\"link\" href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/18/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "version": "18", "link_map": {"/zh/docs/18/app-dropdb.html": "/docs/18/app-dropdb.html", "/zh/docs/18/sql-dropdatabase.html": "/docs/18/sql-dropdatabase.html", "/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING": "/docs/18/libpq-connect.html#LIBPQ-CONNSTRING"}, "body_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/18/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "557a6b1aca15556be6950b52cf341532dc855f392670fff0a124e9dff590d1dd", "content_hash": "d57fcc2dd51ab737728a0ed5c5d379e6fa7a1d7d7dadd6a23fac26e50fbe4f8e", "source_database": "center", "source_revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}, "signature": "dropdb [ connection-option ...] [ option ...] dbname", "tables_zh": [{"key": "options", "rows": [{"summary": "\u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-e --echo"}}, {"summary": "\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-f --force"}}, {"summary": "\u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-i --interactive"}}, {"summary": "\u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-V --version"}}, {"summary": "\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--if-exists"}}, {"summary": "\u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-? --help"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-h host --host= host"}}, {"summary": "\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-p port --port= port"}}, {"summary": "\u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-U username --username= username"}}, {"summary": "\u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-w --no-password"}}, {"summary": "\u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "-W --password"}}, {"summary": "\u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528 postgres \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 template1 \u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a \u8fde\u63a5\u5b57\u7b26\u4e32 \u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002", "signature": {"url": "/docs/18/app-dropdb.html", "text": "--maintenance-db= dbname"}}], "title": "\u624b\u518c\u4e2d\u7684\u9009\u9879", "columns": [{"key": "signature", "label": "\u9009\u9879\u4e0e\u53c2\u6570"}, {"key": "summary", "label": "\u8bf4\u660e"}]}, {"key": "environment", "rows": [{"name": "PGHOST PGPORT PGUSER", "description": "\u9ed8\u8ba4\u8fde\u63a5\u53c2\u6570"}, {"name": "PG_COLOR", "description": "\u6307\u5b9a\u8bca\u65ad\u6d88\u606f\u662f\u5426\u4f7f\u7528\u989c\u8272\u3002\u53ef\u9009\u503c\u4e3a always \u3001 auto \u548c never \u3002"}], "title": "\u73af\u5883\u53d8\u91cf", "columns": [{"key": "name", "label": "\u53d8\u91cf"}, {"key": "description", "label": "\u542b\u4e49"}]}], "description": ["\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname "], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}], "manual_html": "", "manual_path": "app-dropdb.html", "sections_zh": [], "localization": {"status": "complete", "sources": [{"url": "/docs/18/app-dropdb.html", "method": "same-major semantic node", "sha256": "58e357f486e875429383f54c472422906863ce9a53e1afc742d19b8a4e188324", "language": "zh", "matched_nodes": ["#APP-DROPDB/div[2]/p[1]", "#APP-DROPDB/div[3]/h2[0]", "#APP-DROPDB/div[4]/p[1]", "#APP-DROPDB/div[4]/p[2]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[13]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[2]/dl[0]/dd[9]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[11]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[1]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[3]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[5]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[7]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[0]", "#APP-DROPDB/div[5]/div[4]/dl[0]/dd[9]/p[1]", "#APP-DROPDB/div[5]/p[1]", "#APP-DROPDB/div[5]/p[3]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[1]", "#APP-DROPDB/div[6]/div[1]/dl[0]/dd[3]", "#APP-DROPDB/div[6]/h2[0]", "#APP-DROPDB/div[6]/p[2]", "#APP-DROPDB/div[7]/h2[0]", "#APP-DROPDB/div[7]/p[1]", "#APP-DROPDB/div[8]/h2[0]", "#APP-DROPDB/div[8]/p[1]", "#APP-DROPDB/div[9]/h2[0]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "dropdb \u2014 remove a PostgreSQL database", "/versions/18/facts/0/label": "Documented executable", "/versions/18/facts/1/label": "Executable version", "/versions/18/facts/2/label": "Reference inventory", "/versions/18/facts/2/value": "Client applications", "/versions/18/facts/3/label": "Option definition groups", "/versions/18/tables/0/title": "Documented options", "/versions/18/tables/1/title": "Environment variables", "/versions/18/tables/0/rows/0/summary": "Echo the commands that dropdb generates and sends to the server.", "/versions/18/tables/0/rows/1/summary": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option.", "/versions/18/tables/0/rows/2/summary": "Issues a verification prompt before doing anything destructive.", "/versions/18/tables/0/rows/3/summary": "Print the dropdb version and exit.", "/versions/18/tables/0/rows/4/summary": "Do not throw an error if the database does not exist. A notice is issued in this case.", "/versions/18/tables/0/rows/5/summary": "Show help about dropdb command line arguments, and exit.", "/versions/18/tables/0/rows/6/summary": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket.", "/versions/18/tables/0/rows/7/summary": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections.", "/versions/18/tables/0/rows/8/summary": "User name to connect as.", "/versions/18/tables/0/rows/9/summary": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password.", "/versions/18/tables/0/columns/0/label": "Option and arguments", "/versions/18/tables/0/columns/1/label": "Description", "/versions/18/tables/0/rows/10/summary": "Force dropdb to prompt for a password before connecting to a database.", "/versions/18/tables/0/rows/11/summary": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options.", "/versions/18/tables/1/columns/0/label": "Variable", "/versions/18/tables/1/columns/1/label": "Meaning", "/versions/18/tables/1/rows/0/description": "Default connection parameters", "/versions/18/tables/1/rows/1/description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "46e7a8a1d1e0c31f9e73fcbc15dc8c12856c7098507203b69a828e21814bd7a4", "canonical_center_text_hash": "d57fcc2dd51ab737728a0ed5c5d379e6fa7a1d7d7dadd6a23fac26e50fbe4f8e"}, "description_zh": "\u63cf\u8ff0 dropdb \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684 PostgreSQL \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002 dropdb \u662f SQL \u547d\u4ee4 DROP DATABASE \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002 \u9009\u9879 dropdb \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a dbname \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002 -e --echo \u56de\u663e dropdb \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002 -f --force \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 DROP DATABASE \u3002 -i --interactive \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002 -V --version \u6253\u5370 dropdb \u7248\u672c\u5e76\u9000\u51fa\u3002 --if-exists \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002 -? --help \u663e\u793a\u6709\u5173 dropdb \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002 dropdb \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a -h host --host= host \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002 -p port --port= port \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002 -U username --username= username \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002 -w --no-password \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982 .pgpass \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002 -W --password \u5f3a\u5236 dropdb \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002 \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c dropdb \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c dropdb \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a -W \u662f\u503c\u5f97\u7684\u3002 --maintenance-db= dbname ", "comparison_data": {"options": [{"names": ["-e", "--echo"], "signature": "-e --echo", "description": "Echo the commands that dropdb generates and sends to the server."}, {"names": ["-f", "--force"], "signature": "-f --force", "description": "Attempt to terminate all existing connections to the target database before dropping it. See DROP DATABASE for more information on this option."}, {"names": ["-i", "--interactive"], "signature": "-i --interactive", "description": "Issues a verification prompt before doing anything destructive."}, {"names": ["-V", "--version"], "signature": "-V --version", "description": "Print the dropdb version and exit."}, {"names": ["--if-exists"], "signature": "--if-exists", "description": "Do not throw an error if the database does not exist. A notice is issued in this case."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about dropdb command line arguments, and exit."}, {"names": ["-h host", "--host= host"], "signature": "-h host --host= host", "description": "Specifies the host name of the machine on which the server is running. If the value begins with a slash, it is used as the directory for the Unix domain socket."}, {"names": ["-p port", "--port= port"], "signature": "-p port --port= port", "description": "Specifies the TCP port or local Unix domain socket file extension on which the server is listening for connections."}, {"names": ["-U username", "--username= username"], "signature": "-U username --username= username", "description": "User name to connect as."}, {"names": ["-w", "--no-password"], "signature": "-w --no-password", "description": "Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to enter a password."}, {"names": ["-W", "--password"], "signature": "-W --password", "description": "Force dropdb to prompt for a password before connecting to a database. This option is never essential, since dropdb will automatically prompt for a password if the server demands password authentication. However, dropdb will waste a connection attempt finding out that the server wants a password. In some cases it is worth typing -W to avoid the extra connection attempt."}, {"names": ["--maintenance-db= dbname"], "signature": "--maintenance-db= dbname", "description": "Specifies the name of the database to connect to in order to drop the target database. If not specified, the postgres database will be used; if that does not exist (or is the database being dropped), template1 will be used. This can be a connection string . If so, connection string parameters will override any conflicting command line options."}], "synopsis": ["dropdb [ connection-option ...] [ option ...] dbname"], "environment": [{"name": "PGHOST PGPORT PGUSER", "description": "Default connection parameters"}, {"name": "PG_COLOR", "description": "Specifies whether to use color in diagnostic messages. Possible values are always , auto and never ."}]}, "comparison_hash": "8368b5388b640fa11b27e0ba4ea78bf8abf0592bc078a3e0c7726290e0c29225", "manual_language": "zh", "description_zh_html": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f <acronym>SQL</acronym> \u547d\u4ee4\n   <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/zh/docs/18/sql-dropdatabase.html\" rel=\"nofollow\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\" rel=\"nofollow\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/zh/docs/18/app-dropdb.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>\u547d\u4ee4\u884c\u5de5\u5177 dropdb [ connection-option ...] [ option ...] dbname\u3002</p><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><div><h2>\u63cf\u8ff0</h2><p>\n<span>dropdb</span> \u5220\u9664\u4e00\u4e2a\u73b0\u6709\u7684\n   <span>PostgreSQL</span> \u6570\u636e\u5e93\u3002\u6267\u884c\u6b64\u547d\u4ee4\u7684\u7528\u6237\u5fc5\u987b\u662f\u6570\u636e\u5e93\u8d85\u7ea7\u7528\u6237\u6216\u8be5\u6570\u636e\u5e93\u7684\u62e5\u6709\u8005\u3002\n  </p><p>\n<span>dropdb</span> \u662f SQL \u547d\u4ee4\n   <a href=\"/docs/18/sql-dropdatabase.html\"><code>DROP DATABASE</code></a> \u7684\u4e00\u4e2a\u5305\u88c5\u5668\u3002\u901a\u8fc7\u6b64\u5de5\u5177\u5220\u9664\u6570\u636e\u5e93\u4e0e\u901a\u8fc7\u5176\u4ed6\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u65b9\u6cd5\u5220\u9664\u6570\u636e\u5e93\uff0c\u5728\u6548\u679c\u4e0a\u6ca1\u6709\u533a\u522b\u3002\n  </p></div><div><h2>\u9009\u9879</h2><p>\n<span>dropdb</span> \u63a5\u53d7\u4e0b\u5217\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n    </p><div><dl><dt><span><em><code>dbname</code></em></span></dt><dd><p>\n        \u6307\u5b9a\u8981\u79fb\u9664\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\n       </p></dd><dt><span><code>-e</code><br/></span><span><code>--echo</code></span></dt><dd><p>\n        \u56de\u663e <span>dropdb</span> \u751f\u6210\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u547d\u4ee4\u3002\n       </p></dd><dt><span><code>-f</code><br/></span><span><code>--force</code></span></dt><dd><p>\n        \u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u5c1d\u8bd5\u7ec8\u6b62\u6240\u6709\u5230\u8be5\u6570\u636e\u5e93\u7684\u73b0\u6709\u8fde\u63a5\u3002\u5173\u4e8e\u6b64\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u89c1 <a href=\"/docs/18/sql-dropdatabase.html\"><span>DROP DATABASE</span></a>\u3002\n       </p></dd><dt><span><code>-i</code><br/></span><span><code>--interactive</code></span></dt><dd><p>\n        \u5728\u6267\u884c\u4efb\u4f55\u7834\u574f\u6027\u64cd\u4f5c\u4e4b\u524d\u53d1\u51fa\u786e\u8ba4\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-V</code><br/></span><span><code>--version</code></span></dt><dd><p>\n       \u6253\u5370 <span>dropdb</span> \u7248\u672c\u5e76\u9000\u51fa\u3002\n       </p></dd><dt><span><code>--if-exists</code></span></dt><dd><p>\n       \u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u4e0d\u8981\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002\n       </p></dd><dt><span><code>-?</code><br/></span><span><code>--help</code></span></dt><dd><p>\n       \u663e\u793a\u6709\u5173 <span>dropdb</span> \u547d\u4ee4\u884c\u53c2\u6570\u7684\u5e2e\u52a9\u5e76\u9000\u51fa\u3002\n       </p></dd></dl></div><p>\n</p><p>\n<span>dropdb</span> \u4e5f\u63a5\u53d7\u4e0b\u5217\u7528\u4e8e\u8fde\u63a5\u53c2\u6570\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1a\n\n   </p><div><dl><dt><span><code>-h <em><code>host</code></em></code><br/></span><span><code>--host=<em><code>host</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u6240\u5728\u673a\u5668\u7684\u4e3b\u673a\u540d\u3002\u5982\u679c\u8be5\u503c\u4ee5\u659c\u6760\u5f00\u5934\uff0c\u5219\u5b83\u5c06\u88ab\u7528\u4f5c Unix \u57df\u5957\u63a5\u5b57\u7684\u76ee\u5f55\u3002\n       </p></dd><dt><span><code>-p <em><code>port</code></em></code><br/></span><span><code>--port=<em><code>port</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u8fde\u63a5\u6240\u7528\u7684 TCP \u7aef\u53e3\u6216\u672c\u5730 Unix \u57df\u5957\u63a5\u5b57\u6587\u4ef6\u6269\u5c55\u540d\u3002\n       </p></dd><dt><span><code>-U <em><code>username</code></em></code><br/></span><span><code>--username=<em><code>username</code></em></code></span></dt><dd><p>\n        \u6307\u5b9a\u7528\u4e8e\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002\n       </p></dd><dt><span><code>-w</code><br/></span><span><code>--no-password</code></span></dt><dd><p>\n        \u4ece\u4e0d\u53d1\u51fa\u5bc6\u7801\u63d0\u793a\u3002\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c\u800c\u5bc6\u7801\u53c8\u65e0\u6cd5\u901a\u8fc7\u8bf8\u5982\n        <code>.pgpass</code> \u6587\u4ef6\u7b49\u5176\u4ed6\u65b9\u5f0f\u83b7\u5f97\uff0c\u5219\u8fde\u63a5\u5c1d\u8bd5\u5c06\u5931\u8d25\u3002\u8be5\u9009\u9879\u9002\u5408\u6ca1\u6709\u7528\u6237\u5728\u573a\u8f93\u5165\u5bc6\u7801\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u548c\u811a\u672c\u3002\n       </p></dd><dt><span><code>-W</code><br/></span><span><code>--password</code></span></dt><dd><p>\n        \u5f3a\u5236 <span>dropdb</span> \u5728\u8fde\u63a5\u6570\u636e\u5e93\u4e4b\u524d\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\n       </p><p>\n        \u8fd9\u4e2a\u9009\u9879\u5e76\u975e\u5fc5\u4e0d\u53ef\u5c11\uff0c\u56e0\u4e3a\u5982\u679c\u670d\u52a1\u5668\u8981\u6c42\u5bc6\u7801\u8ba4\u8bc1\uff0c<span>dropdb</span> \u4f1a\u81ea\u52a8\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c<span>dropdb</span> \u4f1a\u6d6a\u8d39\u4e00\u6b21\u8fde\u63a5\u5c1d\u8bd5\uff0c\u624d\u77e5\u9053\u670d\u52a1\u5668\u9700\u8981\u5bc6\u7801\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6b21\u989d\u5916\u7684\u8fde\u63a5\u5c1d\u8bd5\uff0c\u63d0\u524d\u6307\u5b9a <code>-W</code> \u662f\u503c\u5f97\u7684\u3002\n       </p></dd><dt><span><code>--maintenance-db=<em><code>dbname</code></em></code></span></dt><dd><p>\n         \u6307\u5b9a\u5728\u5220\u9664\u76ee\u6807\u6570\u636e\u5e93\u65f6\u8981\u8fde\u63a5\u5230\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5c06\u4f7f\u7528\n         <code>postgres</code> \u6570\u636e\u5e93\uff1b\u82e5\u8be5\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff08\u6216\u8005\u5b83\u6b63\u662f\u8981\u88ab\u5220\u9664\u7684\u6570\u636e\u5e93\uff09\uff0c\u5219\u6539\u7528 <code>template1</code>\u3002\u8fd9\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a<a href=\"/docs/18/libpq-connect.html#LIBPQ-CONNSTRING\">\u8fde\u63a5\u5b57\u7b26\u4e32</a>\u3002\u5982\u679c\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5176\u4e2d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u53c2\u6570\u5c06\u8986\u76d6\u4efb\u4f55\u51b2\u7a81\u7684\u547d\u4ee4\u884c\u9009\u9879\u3002\n       </p></dd></dl></div><p>\n</p></div><p><a href=\"/docs/18/app-dropdb.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}