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\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49

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\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

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psql \u547d\u4ee4 \\dn[Sx+] [ pattern ]\u3002

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49

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\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

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