{"id":186262,"date":"2024-11-11T04:27:26","date_gmt":"2024-11-10T20:27:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186262\/"},"modified":"2024-11-11T04:27:27","modified_gmt":"2024-11-10T20:27:27","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96%ef%bc%9a%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e9%ab%98%e6%95%88%e5%9c%b0%e8%ae%80%e5%8f%96%e4%b8%a6%e6%8e%92%e5%ba%8f%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186262\/","title":{"rendered":"\u6578\u64da\u5eab\u67e5\u8a62\u512a\u5316\uff1a\u5982\u4f55\u5feb\u901f\u9ad8\u6548\u5730\u8b80\u53d6\u4e26\u6392\u5e8f\u6578\u64da (\u6578\u64da\u5eab\u8b80\u53d6\u6578\u64da\u6392\u5e8f)"},"content":{"rendered":"<h1 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id=\"%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e5%89%87-uBabokQnwQ\">\u67e5\u8a62\u512a\u5316\u7684\u57fa\u672c\u539f\u5247<\/h2>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u5728\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u52a0\u5feb\u6578\u64da\u6aa2\u7d22\u901f\u5ea6\u3002<\/li>\n<li><strong>\u907f\u514d\u4f7f\u7528SELECT *\uff1a<\/strong>\u5728\u67e5\u8a62\u4e2d\u6307\u5b9a\u6240\u9700\u7684\u5217\uff0c\u800c\u4e0d\u662f\u4f7f\u7528SELECT 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id=\"%e5%af%a6%e9%9a%9b%e7%a4%ba%e4%be%8b-uBabokQnwQ\">\u5be6\u969b\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u512a\u5316\u67e5\u8a62\u548c\u6392\u5e8f\uff1a<\/p>\n<pre><code>SELECT name, age \nFROM users \nWHERE age &gt; 18 \nORDER BY age ASC \nLIMIT 10;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u9078\u64c7\u4e86\u7279\u5b9a\u7684\u5217\uff08name\u548cage\uff09\uff0c\u4f7f\u7528\u4e86WHERE\u5b50\u53e5\u4f86\u904e\u6ffe\u5e74\u9f61\u5927\u65bc18\u7684\u7528\u6236\uff0c\u4e26\u4e14\u5728age\u5217\u4e0a\u9032\u884c\u4e86\u6392\u5e8f\u3002\u9019\u6a23\u7684\u67e5\u8a62\u8a2d\u8a08\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 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