{"id":166903,"date":"2024-11-05T20:35:24","date_gmt":"2024-11-05T12:35:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166903\/"},"modified":"2024-11-05T20:35:25","modified_gmt":"2024-11-05T12:35:25","slug":"%e9%9b%a2%e6%95%a3%e6%95%b8%e5%ad%b8%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-%e9%9b%a2%e6%95%a3%e6%95%b8%e5%ad%b8%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166903\/","title":{"rendered":"\u96e2\u6563\u6578\u5b78\u5728\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528 (\u96e2\u6563\u6578\u5b78\u8207\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e9%9b%a2%e6%95%a3%e6%95%b8%e5%ad%b8%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-%e9%9b%a2%e6%95%a3%e6%95%b8%e5%ad%b8%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab-EaqYYlPwPa\">\u96e2\u6563\u6578\u5b78\u5728\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528 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id=\"3-%e9%82%8f%e8%bc%af%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-EaqYYlPwPa\">3. \u908f\u8f2f\u5728\u6578\u64da\u5eab\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u908f\u8f2f\u5728\u6578\u64da\u5eab\u67e5\u8a62\u8a9e\u8a00\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u7279\u5225\u662f\u5728SQL\u4e2d\u3002SQL\u67e5\u8a62\u7684\u7d50\u69cb\u53ef\u4ee5\u770b\u4f5c\u662f\u908f\u8f2f\u8868\u9054\u5f0f\uff0c\u901a\u904e\u4f7f\u7528\u5e03\u723e\u908f\u8f2f\u4f86\u7be9\u9078\u548c\u64cd\u4f5c\u6578\u64da\u3002\u908f\u8f2f\u904b\u7b97\u7b26\uff08\u5982AND\u3001OR\u3001NOT\uff09\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u69cb\u5efa\u8907\u96dc\u7684\u67e5\u8a62\u689d\u4ef6\u3002<\/p>\n<pre><code>\nSELECT * FROM Users\nWHERE Age &gt; 18 AND City = 'Hong Kong';\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u67e5\u8a62\u4f7f\u7528\u4e86\u908f\u8f2f\u904b\u7b97\u7b26AND\u4f86\u7be9\u9078\u5e74\u9f61\u5927\u65bc18\u4e14\u5c45\u4f4f\u5728\u9999\u6e2f\u7684\u7528\u6236\u3002<\/p>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%ad%a3%e8%a6%8f%e5%8c%96-EaqYYlPwPa\">4. 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