{"id":172627,"date":"2024-11-07T14:42:19","date_gmt":"2024-11-07T06:42:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172627\/"},"modified":"2024-11-07T14:42:20","modified_gmt":"2024-11-07T06:42:20","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e9%a0%ad%ef%bc%9f-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e9%a0%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172627\/","title":{"rendered":"\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u8868\u982d\uff1f (\u67e5\u770b\u6578\u64da\u5eab\u8868\u982d)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e9%a0%ad%ef%bc%9f-GDDBrcmdye\">\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u8868\u982d\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u8868\u982d\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u8868\u982d\u5305\u542b\u4e86\u8868\u4e2d\u6bcf\u4e00\u5217\u7684\u540d\u7a31\u53ca\u5176\u6578\u64da\u985e\u578b\uff0c\u9019\u5c0d\u65bc\u6578\u64da\u7684\u64cd\u4f5c\u548c\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u67e5\u770b\u8868\u982d\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8-mysql-%e6%9f%a5%e7%9c%8b%e8%a1%a8%e9%a0%ad-GDDBrcmdye\">1. \u4f7f\u7528 MySQL \u67e5\u770b\u8868\u982d<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DESCRIBE<\/code> \u6216 <code>SHOW COLUMNS<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u8868\u982d\u3002\u9019\u4e9b\u547d\u4ee4\u6703\u986f\u793a\u8868\u4e2d\u6240\u6709\u5217\u7684\u540d\u7a31\u3001\u6578\u64da\u985e\u578b\u3001\u662f\u5426\u53ef\u4ee5\u70ba\u7a7a\u3001\u9375\u985e\u578b\u7b49\u4fe1\u606f\u3002<\/p>\n<pre><code>-- \u4f7f\u7528 DESCRIBE \u547d\u4ee4\nDESCRIBE \u8868\u540d;\n\n-- \u4f7f\u7528 SHOW COLUMNS \u547d\u4ee4\nSHOW COLUMNS FROM \u8868\u540d;\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba <code>users<\/code> \u7684\u8868\uff0c\u60a8\u53ef\u4ee5\u9019\u6a23\u67e5\u770b\u5176\u8868\u982d\uff1a<\/p>\n<pre><code>DESCRIBE users;\n<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8-postgresql-%e6%9f%a5%e7%9c%8b%e8%a1%a8%e9%a0%ad-GDDBrcmdye\">2. \u4f7f\u7528 PostgreSQL \u67e5\u770b\u8868\u982d<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>d<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u8868\u7684\u7d50\u69cb\uff0c\u5305\u62ec\u8868\u982d\u4fe1\u606f\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u5728 PostgreSQL \u7684\u547d\u4ee4\u884c\u754c\u9762\u4e2d\u4f7f\u7528\u3002<\/p>\n<pre><code>d \u8868\u540d\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u770b <code>employees<\/code> \u8868\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>d employees\n<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8-sql-server-%e6%9f%a5%e7%9c%8b%e8%a1%a8%e9%a0%ad-GDDBrcmdye\">3. \u4f7f\u7528 SQL Server \u67e5\u770b\u8868\u982d<\/h2>\n<p>\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>sp_help<\/code> \u5b58\u5132\u904e\u7a0b\u4f86\u67e5\u770b\u8868\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u8868\u982d\u3002<\/p>\n<pre><code>EXEC sp_help '\u8868\u540d';\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u770b <code>products<\/code> \u8868\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>EXEC sp_help 'products';\n<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8-sqlite-%e6%9f%a5%e7%9c%8b%e8%a1%a8%e9%a0%ad-GDDBrcmdye\">4. \u4f7f\u7528 SQLite \u67e5\u770b\u8868\u982d<\/h2>\n<p>\u5728 SQLite \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>PRAGMA table_info<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u8868\u7684\u5217\u4fe1\u606f\uff0c\u5305\u62ec\u5217\u540d\u548c\u6578\u64da\u985e\u578b\u3002<\/p>\n<pre><code>PRAGMA table_info(\u8868\u540d);\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u770b <code>orders<\/code> \u8868\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>PRAGMA table_info(orders);\n<\/code><\/pre>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8%e5%9c%96%e5%bd%a2%e5%8c%96%e5%b7%a5%e5%85%b7%e6%9f%a5%e7%9c%8b%e8%a1%a8%e9%a0%ad-GDDBrcmdye\">5. \u4f7f\u7528\u5716\u5f62\u5316\u5de5\u5177\u67e5\u770b\u8868\u982d<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u9084\u63d0\u4f9b\u4e86\u5716\u5f62\u5316\u754c\u9762\uff08GUI\uff09\u5de5\u5177\uff0c\u5982 phpMyAdmin\u3001pgAdmin\u3001SQL Server Management Studio \u7b49\u3002\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u63d0\u4f9b\u4e86\u76f4\u89c0\u7684\u65b9\u5f0f\u4f86\u67e5\u770b\u8868\u7684\u7d50\u69cb\u548c\u6578\u64da\u3002<\/p>\n<p>\u5728\u9019\u4e9b\u5de5\u5177\u4e2d\uff0c\u60a8\u53ea\u9700\u9078\u64c7\u76f8\u61c9\u7684\u6578\u64da\u5eab\u548c\u8868\uff0c\u7136\u5f8c\u67e5\u770b\u8868\u7684\u7d50\u69cb\u6216\u5c6c\u6027\uff0c\u5373\u53ef\u8f15\u9b06\u7372\u53d6\u8868\u982d\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GDDBrcmdye\">\u7e3d\u7d50<\/h2>\n<p>\u67e5\u770b\u6578\u64da\u5eab\u8868\u982d\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u57fa\u672c\u64cd\u4f5c\uff0c\u7121\u8ad6\u60a8\u4f7f\u7528\u7684\u662f MySQL\u3001PostgreSQL\u3001SQL Server \u9084\u662f SQLite\uff0c\u90fd\u6709\u76f8\u61c9\u7684\u547d\u4ee4\u548c\u5de5\u5177\u53ef\u4ee5\u8f15\u9b06\u5b8c\u6210\u9019\u4e00\u4efb\u52d9\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5c07\u6709\u52a9\u65bc\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u5c07\u4f7f\u60a8\u7684\u5de5\u4f5c\u66f4\u52a0\u9806\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u8868\u982d\uff0c\u638c\u63e1\u6578\u64da\u7d50\u69cb\u8207\u5b57\u6bb5\u4fe1\u606f\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u8f15\u9b06\u64cd\u4f5c\u6578\u64da\u5eab\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-172627","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172627","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=172627"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172627\/revisions"}],"predecessor-version":[{"id":172628,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172627\/revisions\/172628"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}