{"id":195425,"date":"2024-11-13T14:53:23","date_gmt":"2024-11-13T06:53:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195425\/"},"modified":"2024-11-13T14:53:24","modified_gmt":"2024-11-13T06:53:24","slug":"%e6%9c%89%e4%ba%86%e9%80%99%e5%9b%9b%e6%ac%be%e8%85%b3%e6%9c%ac%e5%b7%a5%e5%85%b7%ef%bc%8c%e8%80%81%e9%97%86%e5%86%8d%e4%b9%9f%e4%b8%8d%e6%80%95%e6%88%91%e5%af%ab%e7%88%9bsql%e4%ba%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195425\/","title":{"rendered":"\u6709\u4e86\u9019\u56db\u6b3e\u8173\u672c\u5de5\u5177\uff0c\u8001\u95c6\u518d\u4e5f\u4e0d\u6015\u6211\u5beb\u721bSQL\u4e86"},"content":{"rendered":"

\u6709\u4e86\u9019\u56db\u6b3e\u8173\u672c\u5de5\u5177\uff0c\u8001\u95c6\u518d\u4e5f\u4e0d\u6015\u6211\u5beb\u721bSQL\u4e86<\/h1>\n

\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u6578\u64da\u5eab\u7ba1\u7406\u548c\u64cd\u4f5c\u7684\u6838\u5fc3\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u8a31\u591a\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u7de8\u5beb\u9ad8\u6548\u4e14\u6b63\u78ba\u7684SQL\u67e5\u8a62\u4e26\u4e0d\u662f\u4e00\u4ef6\u5bb9\u6613\u7684\u4e8b\u60c5\u3002\u932f\u8aa4\u7684\u67e5\u8a62\u4e0d\u50c5\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u5230\u6574\u500b\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002\u5e78\u904b\u7684\u662f\uff0c\u5e02\u9762\u4e0a\u6709\u8a31\u591a\u8173\u672c\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u512a\u5316SQL\u67e5\u8a62\uff0c\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u56db\u6b3e\u5be6\u7528\u7684SQL\u8173\u672c\u5de5\u5177\uff0c\u8b93\u958b\u767c\u8005\u5728\u7de8\u5bebSQL\u6642\u66f4\u52a0\u5f97\u5fc3\u61c9\u624b\u3002<\/p>\n

1. SQL Fiddle<\/h2>\n

SQL Fiddle\u662f\u4e00\u500b\u5728\u7dda\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u5728\u700f\u89bd\u5668\u4e2d\u7de8\u5beb\u548c\u6e2c\u8a66SQL\u67e5\u8a62\u3002\u9019\u500b\u5de5\u5177\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5305\u62ecMySQL\u3001PostgreSQL\u548cSQLite\u7b49\u3002\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5730\u5275\u5efa\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u63d2\u5165\u6578\u64da\uff0c\u4e26\u57f7\u884c\u67e5\u8a62\uff0c\u9019\u5c0d\u65bc\u6e2c\u8a66\u548c\u8abf\u8a66SQL\u8a9e\u53e5\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n

-- \u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u8868\nCREATE TABLE users (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO users (id, name, email) VALUES (1, 'Alice', 'alice@example.com');\n<\/code><\/pre>\n
\u4f7f\u7528SQL Fiddle\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u9a57\u8b49\u4ed6\u5011\u7684SQL\u67e5\u8a62\u662f\u5426\u6b63\u78ba\uff0c\u4e26\u4e14\u80fd\u5920\u5373\u6642\u770b\u5230\u67e5\u8a62\u7d50\u679c\uff0c\u9019\u6a23\u53ef\u4ee5\u5927\u5927\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n
2. DB Fiddle<\/h2>\n
DB Fiddle\u662f\u4e00\u500b\u985e\u4f3c\u65bcSQL Fiddle\u7684\u5728\u7ddaSQL\u7de8\u8f2f\u5668\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u5b83\u7684\u754c\u9762\u7c21\u6f54\u660e\u4e86\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7de8\u5beb\u548c\u6e2c\u8a66SQL\u67e5\u8a62\u3002DB Fiddle\u9084\u63d0\u4f9b\u4e86\u5206\u4eab\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c07\u4ed6\u5011\u7684\u67e5\u8a62\u548c\u7d50\u679c\u5206\u4eab\u7d66\u540c\u4e8b\u6216\u793e\u7fa4\uff0c\u9019\u5c0d\u65bc\u5718\u968a\u5408\u4f5c\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n
-- \u67e5\u8a62\u6240\u6709\u7528\u6236\nSELECT * FROM users;\n<\/code><\/pre>\n
\u9019\u6a23\u7684\u529f\u80fd\u4f7f\u5f97DB Fiddle\u6210\u70ba\u4e00\u500b\u975e\u5e38\u9069\u5408\u5b78\u7fd2\u548c\u5be6\u9a57\u7684\u5de5\u5177\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u65b0\u624b\u958b\u767c\u8005\u4f86\u8aaa\u3002<\/p>\n
3. SQL Formatter<\/h2>\n
SQL Formatter\u662f\u4e00\u500b\u7528\u65bc\u683c\u5f0f\u5316SQL\u67e5\u8a62\u7684\u5de5\u5177\u3002\u7576\u958b\u767c\u8005\u7de8\u5beb\u8907\u96dc\u7684SQL\u67e5\u8a62\u6642\uff0c\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u5f80\u5f80\u6703\u4e0b\u964d\u3002\u4f7f\u7528SQL Formatter\uff0c\u53ef\u4ee5\u5c07\u96dc\u4e82\u7684SQL\u67e5\u8a62\u8f49\u63db\u70ba\u6613\u65bc\u95b1\u8b80\u7684\u683c\u5f0f\uff0c\u9019\u6a23\u4e0d\u50c5\u65b9\u4fbf\u81ea\u5df1\u67e5\u770b\uff0c\u4e5f\u65b9\u4fbf\u5176\u4ed6\u5718\u968a\u6210\u54e1\u7406\u89e3\u3002<\/p>\n
SELECT id, name, email\nFROM users\nWHERE email LIKE '%@example.com'\nORDER BY name;\n<\/code><\/pre>\n
\u901a\u904e\u683c\u5f0f\u5316\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u8b58\u5225\u67e5\u8a62\u4e2d\u7684\u908f\u8f2f\u932f\u8aa4\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u7684\u8cea\u91cf\u3002<\/p>\n
4. SQL Query Builder<\/h2>\n
SQL Query Builder\u662f\u4e00\u7a2e\u53ef\u8996\u5316\u7684SQL\u67e5\u8a62\u751f\u6210\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u901a\u904e\u62d6\u653e\u7684\u65b9\u5f0f\u69cb\u5efaSQL\u67e5\u8a62\u3002\u9019\u5c0d\u65bc\u4e0d\u719f\u6089SQL\u8a9e\u6cd5\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u7121\u7591\u662f\u4e00\u500b\u798f\u97f3\u3002\u7528\u6236\u53ef\u4ee5\u9078\u64c7\u8868\u3001\u5b57\u6bb5\u548c\u689d\u4ef6\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u751f\u6210\u76f8\u61c9\u7684SQL\u67e5\u8a62\u3002<\/p>\n
-- \u4f7f\u7528Query Builder\u751f\u6210\u7684\u67e5\u8a62\nSELECT name, email\nFROM users\nWHERE id = 1;\n<\/code><\/pre>\n
\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u6e1b\u5c11\u56e0\u8a9e\u6cd5\u932f\u8aa4\u800c\u5c0e\u81f4\u7684\u554f\u984c\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u7de8\u5bebSQL\u67e5\u8a62\u6642\uff0c\u4f7f\u7528\u5408\u9069\u7684\u5de5\u5177\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528SQL Fiddle\u9032\u884c\u6e2c\u8a66\uff0c\u9084\u662f\u5229\u7528DB Fiddle\u9032\u884c\u5718\u968a\u5408\u4f5c\uff0c\u6216\u662f\u901a\u904eSQL Formatter\u63d0\u5347\u4ee3\u78bc\u53ef\u8b80\u6027\uff0c\u751a\u81f3\u662f\u4f7f\u7528SQL Query Builder\u7c21\u5316\u67e5\u8a62\u751f\u6210\u904e\u7a0b\uff0c\u9019\u4e9b\u5de5\u5177\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u907f\u514d\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u8b93\u8001\u95c6\u4e0d\u518d\u64d4\u5fc3SQL\u7684\u8cea\u91cf\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 \u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 \u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u638c\u63e1\u9019\u56db\u6b3e\u8173\u672c\u5de5\u5177\uff0c\u8b93\u8001\u95c6\u4e0d\u518d\u64d4\u5fc3\u6211\u5beb\u721bSQL\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u8f15\u9b06\u61c9\u5c0d\u5404\u7a2e\u67e5\u8a62\u9700\u6c42\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-195425","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195425","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=195425"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195425\/revisions"}],"predecessor-version":[{"id":195426,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195425\/revisions\/195426"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}