{"id":165879,"date":"2024-11-05T13:36:17","date_gmt":"2024-11-05T05:36:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/165879\/"},"modified":"2024-11-05T13:36:18","modified_gmt":"2024-11-05T05:36:18","slug":"%e5%bf%ab%e9%80%9f%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e7%9a%84%e5%88%97%e5%90%8d-%e6%9f%a5%e5%87%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%a1%a8%e7%9a%84%e5%88%97%e5%90%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/165879\/","title":{"rendered":"\u5feb\u901f\u67e5\u627e\u6578\u64da\u5eab\u8868\u4e2d\u7684\u5217\u540d (\u67e5\u51fa\u6578\u64da\u5eab\u4e2d\u8868\u7684\u5217\u540d)"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e7%9a%84%e5%88%97%e5%90%8d-%e6%9f%a5%e5%87%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%a1%a8%e7%9a%84%e5%88%97%e5%90%8d-TeXwFlCFVH\">\u5feb\u901f\u67e5\u627e\u6578\u64da\u5eab\u8868\u4e2d\u7684\u5217\u540d (\u67e5\u51fa\u6578\u64da\u5eab\u4e2d\u8868\u7684\u5217\u540d)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e86\u89e3\u8868\u7684\u7d50\u69cb\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u7576\u6211\u5011\u9700\u8981\u67e5\u8a62\u6216\u4fee\u6539\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5feb\u901f\u67e5\u627e\u6578\u64da\u5eab\u8868\u4e2d\u7684\u5217\u540d\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u6709\u6548\u5730\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9f%a5%e6%89%be%e5%88%97%e5%90%8d%ef%bc%9f-TeXwFlCFVH\">\u70ba\u4ec0\u9ebc\u9700\u8981\u67e5\u627e\u5217\u540d\uff1f<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u4e86\u89e3\u8868\u7684\u5217\u540d\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7684\u7d50\u69cb\u3002\u9019\u5c0d\u65bc\u7de8\u5beb\u67e5\u8a62\u8a9e\u53e5\u3001\u9032\u884c\u6578\u64da\u5206\u6790\u4ee5\u53ca\u7dad\u8b77\u6578\u64da\u5eab\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u8868\u7684\u5217\u540d\u53ef\u80fd\u6703\u975e\u5e38\u591a\uff0c\u624b\u52d5\u67e5\u627e\u6703\u975e\u5e38\u8017\u6642\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-sql-%e6%9f%a5%e8%a9%a2%e5%88%97%e5%90%8d-TeXwFlCFVH\">\u4f7f\u7528 SQL \u67e5\u8a62\u5217\u540d<\/h2>\n<p>\u5728\u5927\u591a\u6578\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 SQL \u8a9e\u53e5\u4f86\u67e5\u8a62\u8868\u7684\u5217\u540d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u67e5\u8a62\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"mysql-TeXwFlCFVH\">MySQL<\/h3>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u67e5\u8a62\u7279\u5b9a\u8868\u7684\u5217\u540d\uff1a<\/p>\n<pre><code>SHOW COLUMNS FROM \u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba `users` \u7684\u8868\uff0c\u53ef\u4ee5\u9019\u6a23\u67e5\u8a62\uff1a<\/p>\n<pre><code>SHOW COLUMNS FROM users;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u8a72\u8868\u7684\u6240\u6709\u5217\u540d\u53ca\u5176\u6578\u64da\u985e\u578b\u3001\u662f\u5426\u53ef\u4ee5\u70ba NULL \u7b49\u4fe1\u606f\u3002<\/p>\n<h3 id=\"postgresql-TeXwFlCFVH\">PostgreSQL<\/h3>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u5217\u540d\uff1a<\/p>\n<pre><code>SELECT column_name FROM information_schema.columns WHERE table_name = '\u8868\u540d';<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT column_name FROM information_schema.columns WHERE table_name = 'users';<\/code><\/pre>\n<h3 id=\"sql-server-TeXwFlCFVH\">SQL Server<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u5217\u540d\uff1a<\/p>\n<pre><code>SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '\u8868\u540d';<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'users';<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%9c%96%e5%bd%a2%e5%8c%96%e5%b7%a5%e5%85%b7%e6%9f%a5%e6%89%be%e5%88%97%e5%90%8d-TeXwFlCFVH\">\u4f7f\u7528\u5716\u5f62\u5316\u5de5\u5177\u67e5\u627e\u5217\u540d<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528 SQL \u67e5\u8a62\u5916\uff0c\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982 phpMyAdmin\u3001DBeaver\u3001SQL Server Management Studio \u7b49\uff09\u4e5f\u63d0\u4f9b\u4e86\u5716\u5f62\u5316\u754c\u9762\u4f86\u67e5\u770b\u8868\u7684\u7d50\u69cb\u3002\u7528\u6236\u53ea\u9700\u9078\u64c7\u76f8\u61c9\u7684\u8868\uff0c\u5373\u53ef\u8f15\u9b06\u67e5\u770b\u6240\u6709\u5217\u540d\u53ca\u5176\u5c6c\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TeXwFlCFVH\">\u7e3d\u7d50<\/h2>\n<p>\u5feb\u901f\u67e5\u627e\u6578\u64da\u5eab\u8868\u4e2d\u7684\u5217\u540d\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u7121\u8ad6\u662f\u901a\u904e SQL \u67e5\u8a62\u9084\u662f\u4f7f\u7528\u5716\u5f62\u5316\u5de5\u5177\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u7372\u53d6\u9019\u4e9b\u4fe1\u606f\u90fd\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u6578\u64da\u7684\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u67e5\u627e\u6578\u64da\u5eab\u8868\u4e2d\u7684\u5217\u540d\uff0c\u8f15\u9b06\u7372\u53d6\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u5217\u540d\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-165879","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165879","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=165879"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165879\/revisions"}],"predecessor-version":[{"id":165880,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165879\/revisions\/165880"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=165879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=165879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=165879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}