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For example, a column of a table can be declared to be of a composite type.", "/versions/18/facts/0/label": "Object boundary", "/versions/18/facts/0/value": "User-defined type family; not a finite list of user objects"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "51ab075d55c9c60c77fa11be231c6115682887441c7c9e6f6f880c9f1ee2cca8", "canonical_center_text_hash": "44df7669cf23d7fbcf90cb359bbaf408938a26d2d0da79a3c575aef062822115"}, "description_zh": "复合类型 表示一行或一条记录的结构；本质上它就是字段名及其数据类型的列表。 PostgreSQL 允许像使用简单类型那样，在许多相同的场合使用复合类型。例如，表中的一列可以声明为复合类型。", "manual_language": "zh", "operator_classes": [], "description_zh_html": "<p>复合类型 表示一行或一条记录的结构；本质上它就是字段名及其数据类型的列表。 PostgreSQL 允许像使用简单类型那样，在许多相同的场合使用复合类型。例如，表中的一列可以声明为复合类型。</p><h3>同版本中文手册节选</h3><p>\n<em>复合类型</em>表示一行或一条记录的结构；本质上它就是字段名及其数据类型的列表。<span>PostgreSQL</span> 允许像使用简单类型那样，在许多相同的场合使用复合类型。例如，表中的一列可以声明为复合类型。\n </p><p><a href=\"/zh/docs/18/rowtypes.html\" rel=\"nofollow\">查看完整中文手册与上下文</a>。</p>", "center_zh_rendered": "<p>复合类型 表示一行或一条记录的结构；本质上它就是字段名及其数据类型的列表。 PostgreSQL 允许像使用简单类型那样，在许多相同的场合使用复合类型。例如，表中的一列可以声明为复合类型。</p><h3>同版本中文手册节选</h3><p>\n<em>复合类型</em>表示一行或一条记录的结构；本质上它就是字段名及其数据类型的列表。<span>PostgreSQL</span> 允许像使用简单类型那样，在许多相同的场合使用复合类型。例如，表中的一列可以声明为复合类型。\n </p><p><a href=\"/docs/18/rowtypes.html\">查看完整中文手册与上下文</a>。</p>"}, "from": "17", "comparison": {"available": true, "changes": [], "prose_changed": false}}