{"id":171707,"date":"2024-11-07T04:59:17","date_gmt":"2024-11-06T20:59:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171707\/"},"modified":"2024-11-07T04:59:18","modified_gmt":"2024-11-06T20:59:18","slug":"%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a%ef%bc%81%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%80%e6%9c%89%e7%94%a8%e6%88%b6%e7%9a%84%e6%96%b9%e6%b3%95%e5%a4%a7%e6%8f%ad%e7%a7%98-%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171707\/","title":{"rendered":"\u8f15\u9b06\u641e\u5b9a\uff01\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7528\u6236\u7684\u65b9\u6cd5\u5927\u63ed\u79d8 (\u67e5\u8a62\u6578\u64da\u5eab\u4e0b\u6240\u6709\u7528\u6236)"},"content":{"rendered":"<h1 id=\"%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a%ef%bc%81%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%80%e6%9c%89%e7%94%a8%e6%88%b6%e7%9a%84%e6%96%b9%e6%b3%95%e5%a4%a7%e6%8f%ad%e7%a7%98-okFdJIGysu\">\u8f15\u9b06\u641e\u5b9a\uff01\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7528\u6236\u7684\u65b9\u6cd5\u5927\u63ed\u79d8<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u67e5\u8a62\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u958b\u767c\u8005\u9084\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\uff0c\u80fd\u5920\u6709\u6548\u5730\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u7528\u6236\u4fe1\u606f\u90fd\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u8f15\u9b06\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7528\u6236\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98-okFdJIGysu\">\u6578\u64da\u5eab\u57fa\u790e\u77e5\u8b58<\/h2>\n<p>\u5728\u6df1\u5165\u67e5\u8a62\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u7684\u6578\u64da\u5eab\u6982\u5ff5\u3002\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u7d50\u69cb\u5316\u7684\u6578\u64da\u5b58\u5132\u7cfb\u7d71\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u5927\u91cf\u4fe1\u606f\u3002\u7528\u6236\u4fe1\u606f\u901a\u5e38\u5b58\u5132\u5728\u4e00\u500b\u6216\u591a\u500b\u8868\u4e2d\uff0c\u6bcf\u500b\u8868\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u884c\u4ee3\u8868\u8a18\u9304\uff0c\u800c\u5217\u5247\u4ee3\u8868\u5c6c\u6027\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e7%94%a8%e6%88%b6%e7%9a%84%e5%9f%ba%e6%9c%acsql%e8%aa%9e%e5%8f%a5-okFdJIGysu\">\u67e5\u8a62\u7528\u6236\u7684\u57fa\u672cSQL\u8a9e\u53e5<\/h2>\n<p>\u8981\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u7528\u6236\uff0c\u6700\u5e38\u7528\u7684\u8a9e\u8a00\u662fSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684SQL\u67e5\u8a62\u8a9e\u53e5\uff0c\u7528\u65bc\u5f9e\u7528\u6236\u8868\u4e2d\u6aa2\u7d22\u6240\u6709\u7528\u6236\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>users<\/code>\u662f\u5b58\u5132\u7528\u6236\u4fe1\u606f\u7684\u8868\u540d\u3002\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u8a72\u8868\u4e2d\u7684\u6240\u6709\u884c\u548c\u5217\u3002<\/p>\n<h2 id=\"%e7%af%a9%e9%81%b8%e5%92%8c%e6%8e%92%e5%ba%8f%e7%94%a8%e6%88%b6%e4%bf%a1%e6%81%af-okFdJIGysu\">\u7be9\u9078\u548c\u6392\u5e8f\u7528\u6236\u4fe1\u606f<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6211\u5011\u53ef\u80fd\u4e0d\u50c5\u50c5\u9700\u8981\u6240\u6709\u7528\u6236\u7684\u4fe1\u606f\uff0c\u9084\u9700\u8981\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u7be9\u9078\u6216\u6392\u5e8f\u9019\u4e9b\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7be9\u9078\u548c\u6392\u5e8f\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%af%a9%e9%81%b8%e7%89%b9%e5%ae%9a%e6%a2%9d%e4%bb%b6%e7%9a%84%e7%94%a8%e6%88%b6-okFdJIGysu\">\u7be9\u9078\u7279\u5b9a\u689d\u4ef6\u7684\u7528\u6236<\/h3>\n<p>\u5982\u679c\u6211\u5011\u53ea\u60f3\u67e5\u8a62\u67d0\u500b\u7279\u5b9a\u689d\u4ef6\u4e0b\u7684\u7528\u6236\uff0c\u4f8b\u5982\u6240\u6709\u4f86\u81ea\u9999\u6e2f\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE location = 'Hong Kong';<\/code><\/pre>\n<h3 id=\"%e6%8e%92%e5%ba%8f%e7%94%a8%e6%88%b6%e4%bf%a1%e6%81%af-okFdJIGysu\">\u6392\u5e8f\u7528\u6236\u4fe1\u606f<\/h3>\n<p>\u5982\u679c\u6211\u5011\u5e0c\u671b\u6839\u64da\u7528\u6236\u7684\u8a3b\u518a\u65e5\u671f\u5c0d\u7528\u6236\u9032\u884c\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM users ORDER BY registration_date DESC;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u7684\u4fe1\u606f\uff0c\u4e26\u6309\u7167\u8a3b\u518a\u65e5\u671f\u5f9e\u6700\u65b0\u5230\u6700\u820a\u9032\u884c\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8join%e6%9f%a5%e8%a9%a2%e5%a4%9a%e5%80%8b%e8%a1%a8%e4%b8%ad%e7%9a%84%e7%94%a8%e6%88%b6%e4%bf%a1%e6%81%af-okFdJIGysu\">\u4f7f\u7528JOIN\u67e5\u8a62\u591a\u500b\u8868\u4e2d\u7684\u7528\u6236\u4fe1\u606f<\/h2>\n<p>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u7528\u6236\u4fe1\u606f\u53ef\u80fd\u5206\u6563\u5728\u591a\u500b\u8868\u4e2d\u3002\u9019\u6642\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528JOIN\u8a9e\u53e5\u4f86\u67e5\u8a62\u76f8\u95dc\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u8868\u548c\u4e00\u500b\u8a02\u55ae\u8868\uff0c\u4e26\u5e0c\u671b\u67e5\u8a62\u6bcf\u500b\u7528\u6236\u7684\u8a02\u55ae\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT users.name, orders.order_id \nFROM users \nJOIN orders ON users.id = orders.user_id;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6bcf\u500b\u7528\u6236\u7684\u59d3\u540d\u53ca\u5176\u5c0d\u61c9\u7684\u8a02\u55aeID\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e5%b7%a5%e5%85%b7-okFdJIGysu\">\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528SQL\u8a9e\u53e5\u76f4\u63a5\u67e5\u8a62\u6578\u64da\u5eab\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u4f86\u8f15\u9b06\u67e5\u8a62\u7528\u6236\u4fe1\u606f\u3002\u4f8b\u5982\uff0cphpMyAdmin\u662f\u4e00\u500b\u6d41\u884c\u7684Web\u754c\u9762\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u901a\u904e\u5716\u5f62\u754c\u9762\u57f7\u884cSQL\u67e5\u8a62\u3002\u7528\u6236\u53ea\u9700\u9078\u64c7\u76f8\u61c9\u7684\u6578\u64da\u5eab\u548c\u8868\uff0c\u7136\u5f8c\u53ef\u4ee5\u8f15\u9b06\u57f7\u884c\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-okFdJIGysu\">\u7e3d\u7d50<\/h2>\n<p>\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u7528\u6236\u662f\u4e00\u9805\u57fa\u672c\u800c\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u904e\u4f7f\u7528SQL\u8a9e\u8a00\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u6aa2\u7d22\u3001\u7be9\u9078\u548c\u6392\u5e8f\u7528\u6236\u4fe1\u606f\u3002\u6b64\u5916\uff0c\u4f7f\u7528JOIN\u8a9e\u53e5\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u5f9e\u591a\u500b\u8868\u4e2d\u7372\u53d6\u76f8\u95dc\u6578\u64da\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u9084\u662f\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff0c\u638c\u63e1\u9019\u4e9b\u67e5\u8a62\u6280\u5de7\u5c07\u5927\u5927\u63d0\u9ad8\u6211\u5011\u7684\u5de5\u4f5c\u6548\u7387\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\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u5404\u7a2e\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\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f15\u9b06\u641e\u5b9a\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7528\u6236\u7684\u65b9\u6cd5\uff0c\u8b93\u4f60\u5feb\u901f\u638c\u63e1\u7528\u6236\u8cc7\u8a0a\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff01<\/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-171707","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171707","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=171707"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171707\/revisions"}],"predecessor-version":[{"id":171708,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171707\/revisions\/171708"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}