{"id":186894,"date":"2024-11-11T09:43:25","date_gmt":"2024-11-11T01:43:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186894\/"},"modified":"2024-11-11T09:43:26","modified_gmt":"2024-11-11T01:43:26","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ab%96%e6%96%87%e7%b6%9c%e8%bf%b0%ef%bc%8c%e7%b5%90%e5%90%88%e5%af%a6%e4%be%8b%e8%a9%b3%e8%a7%a3-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ab%96%e6%96%87%e7%b8%bd%e7%b5%90%e5%a0%b1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186894\/","title":{"rendered":"\u6578\u64da\u5eab\u8ad6\u6587\u7d9c\u8ff0\uff0c\u7d50\u5408\u5be6\u4f8b\u8a73\u89e3 (\u6578\u64da\u5eab\u8ad6\u6587\u7e3d\u7d50\u5831\u544a)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ab%96%e6%96%87%e7%b6%9c%e8%bf%b0%ef%bc%8c%e7%b5%90%e5%90%88%e5%af%a6%e4%be%8b%e8%a9%b3%e8%a7%a3-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ab%96%e6%96%87%e7%b8%bd%e7%b5%90%e5%a0%b1-VTRAiTSHSh\">\u6578\u64da\u5eab\u8ad6\u6587\u7d9c\u8ff0\uff0c\u7d50\u5408\u5be6\u4f8b\u8a73\u89e3 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[\u7522\u54c1]\n<\/pre>\n<p>\u5728\u9019\u500b\u8a2d\u8a08\u4e2d\uff0c\u7528\u6236\u53ef\u4ee5\u4e0b\u8a02\u55ae\uff0c\u800c\u6bcf\u500b\u8a02\u55ae\u53ef\u4ee5\u5305\u542b\u591a\u500b\u7522\u54c1\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u80fd\u5920\u6709\u6548\u5730\u652f\u6301\u67e5\u8a62\u548c\u6578\u64da\u7ba1\u7406\u3002<\/p>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96%e7%9a%84%e5%af%a6%e4%be%8b-VTRAiTSHSh\">2. \u67e5\u8a62\u512a\u5316\u7684\u5be6\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5305\u542b\u6578\u767e\u842c\u689d\u8a18\u9304\u7684\u7528\u6236\u6578\u64da\u8868\uff0c\u7576\u6211\u5011\u9700\u8981\u67e5\u8a62\u7279\u5b9a\u7528\u6236\u7684\u8a73\u7d30\u4fe1\u606f\u6642\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u901a\u904e\u5efa\u7acb\u7d22\u5f15\uff0c\u6211\u5011\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<p><code><br \/>\nCREATE INDEX idx_user_email ON users(email);<br 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