{"id":172643,"date":"2024-11-07T14:50:21","date_gmt":"2024-11-07T06:50:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172643\/"},"modified":"2024-11-07T14:50:22","modified_gmt":"2024-11-07T06:50:22","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%80%e6%9c%89%e8%a1%a8%e7%9a%84%e8%a8%bb%e9%87%8b%e4%bf%a1%e6%81%af-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172643\/","title":{"rendered":"\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u8a3b\u91cb\u4fe1\u606f (\u67e5\u770b\u6578\u64da\u5eab\u6240\u6709\u8868\u540d\u8a3b\u91cb)"},"content":{"rendered":"

\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u8a3b\u91cb\u4fe1\u606f<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u8868\u7684\u8a3b\u91cb\u4fe1\u606f\u5c0d\u65bc\u7406\u89e3\u6578\u64da\u7d50\u69cb\u548c\u6578\u64da\u7684\u7528\u9014\u81f3\u95dc\u91cd\u8981\u3002\u9019\u4e9b\u8a3b\u91cb\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5feb\u901f\u4e86\u89e3\u6bcf\u500b\u8868\u7684\u529f\u80fd\u548c\u5167\u5bb9\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u67e5\u770b\u6240\u6709\u8868\u7684\u8a3b\u91cb\u4fe1\u606f\uff0c\u7279\u5225\u662f\u91dd\u5c0d MySQL \u548c PostgreSQL \u9019\u5169\u7a2e\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n

MySQL \u4e2d\u67e5\u770b\u8868\u8a3b\u91cb<\/h2>\n

\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 SHOW TABLE STATUS<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u8a3b\u91cb\u4fe1\u606f\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u4e00\u500b\u5305\u542b\u6240\u6709\u8868\u7684\u72c0\u614b\u4fe1\u606f\u7684\u7d50\u679c\u96c6\uff0c\u5176\u4e2d\u5305\u62ec\u8868\u7684\u540d\u7a31\u3001\u5f15\u64ce\u3001\u7248\u672c\u3001\u884c\u6578\u3001\u5e73\u5747\u884c\u9577\u5ea6\u3001\u6578\u64da\u5927\u5c0f\u3001\u7d22\u5f15\u5927\u5c0f\u3001\u5275\u5efa\u6642\u9593\u3001\u66f4\u65b0\u6642\u9593\u3001\u6aa2\u67e5\u6642\u9593\u3001\u8868\u7684\u8a3b\u91cb\u7b49\u3002<\/p>\n

SHOW TABLE STATUS FROM your_database_name;<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c\u5c07 your_database_name<\/code> \u66ff\u63db\u70ba\u4f60\u8981\u67e5\u8a62\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u57f7\u884c\u8a72\u547d\u4ee4\u5f8c\uff0c\u4f60\u5c07\u770b\u5230\u4e00\u500b\u5305\u542b\u6240\u6709\u8868\u7684\u8a73\u7d30\u4fe1\u606f\u7684\u5217\u8868\u3002\u4f60\u53ef\u4ee5\u5728\u7d50\u679c\u4e2d\u627e\u5230 Comment<\/code> \u5217\uff0c\u9019\u88e1\u986f\u793a\u4e86\u6bcf\u500b\u8868\u7684\u8a3b\u91cb\u3002<\/p>\n
\u793a\u4f8b<\/h3>\n
SHOW TABLE STATUS FROM my_database;<\/code><\/pre>\n
\u9019\u5c07\u986f\u793a my_database<\/code> \u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u72c0\u614b\u4fe1\u606f\uff0c\u5305\u62ec\u8a3b\u91cb\u3002<\/p>\n
PostgreSQL \u4e2d\u67e5\u770b\u8868\u8a3b\u91cb<\/h2>\n
\u5728 PostgreSQL \u4e2d\uff0c\u67e5\u770b\u8868\u7684\u8a3b\u91cb\u4fe1\u606f\u7a0d\u5fae\u8907\u96dc\u4e00\u4e9b\uff0c\u4f46\u540c\u6a23\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u7cfb\u7d71\u76ee\u9304\u4f86\u5be6\u73fe\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u7372\u53d6\u6240\u6709\u8868\u7684\u540d\u7a31\u53ca\u5176\u8a3b\u91cb\uff1a<\/p>\n
SELECT\n    table_name,\n    obj_description(oid) AS table_comment\nFROM\n    pg_class\nWHERE\n    relkind = 'r' AND\n    relname NOT LIKE 'pg_%' AND\n    relname NOT LIKE 'sql_%';<\/code><\/pre>\n
\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0cpg_class<\/code> \u662f PostgreSQL \u7684\u7cfb\u7d71\u76ee\u9304\uff0c\u5305\u542b\u4e86\u6240\u6709\u8868\u7684\u4fe1\u606f\u3002obj_description(oid)<\/code> \u51fd\u6578\u7528\u65bc\u7372\u53d6\u8868\u7684\u8a3b\u91cb\u3002\u67e5\u8a62\u7d50\u679c\u5c07\u986f\u793a\u6240\u6709\u7528\u6236\u5b9a\u7fa9\u7684\u8868\u53ca\u5176\u5c0d\u61c9\u7684\u8a3b\u91cb\u3002<\/p>\n
\u793a\u4f8b<\/h3>\n
SELECT\n    table_name,\n    obj_description(oid) AS table_comment\nFROM\n    pg_class\nWHERE\n    relkind = 'r' AND\n    relname NOT LIKE 'pg_%' AND\n    relname NOT LIKE 'sql_%';<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u5275\u5efa\u7684\u8868\u53ca\u5176\u8a3b\u91cb\u4fe1\u606f\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u8a3b\u91cb\u4fe1\u606f\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u958b\u767c\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f7f\u7528 MySQL \u9084\u662f PostgreSQL\uff0c\u638c\u63e1\u9019\u4e9b\u67e5\u8a62\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7d50\u69cb\u548c\u6578\u64da\u7684\u7528\u9014\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u4f60\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u8a3b\u91cb\u4fe1\u606f\uff0c\u8f15\u9b06\u7372\u53d6\u6bcf\u500b\u8868\u7684\u540d\u7a31\u53ca\u5176\u76f8\u95dc\u8a3b\u91cb\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-172643","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172643","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=172643"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172643\/revisions"}],"predecessor-version":[{"id":172644,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172643\/revisions\/172644"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}