{"id":161769,"date":"2024-11-04T09:11:25","date_gmt":"2024-11-04T01:11:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161769\/"},"modified":"2024-11-04T09:11:26","modified_gmt":"2024-11-04T01:11:26","slug":"%e6%a5%b5%e5%ae%a2%e5%ad%b8%e9%99%a2%ef%bc%9a%e8%ae%93%e4%bd%a0%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8a%80%e8%a1%93%e6%9b%b4%e4%b8%8a%e4%b8%80%e5%b1%a4%e6%a8%93-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161769\/","title":{"rendered":"\u6975\u5ba2\u5b78\u9662\uff1a\u8b93\u4f60\u7684\u6578\u64da\u5eab\u6280\u8853\u66f4\u4e0a\u4e00\u5c64\u6a13 (\u6578\u64da\u5eab \u6975\u5ba2\u5b78\u9662)"},"content":{"rendered":"<h1 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id=\"%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab-kynvHzAZNM\">\u95dc\u4fc2\u578b\u6578\u64da\u5eab<\/h3>\n<p>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4f7f\u7528\u8868\u683c\u4f86\u5b58\u5132\u6578\u64da\uff0c\u4e26\u901a\u904e\u884c\u548c\u5217\u7684\u65b9\u5f0f\u7d44\u7e54\u4fe1\u606f\u3002\u9019\u7a2e\u7d50\u69cb\u4f7f\u5f97\u6578\u64da\u4e4b\u9593\u7684\u95dc\u806f\u6027\u8b8a\u5f97\u6e05\u6670\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u9032\u884c\u67e5\u8a62\u548c\u64cd\u4f5c\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18;<\/code><\/pre>\n<p>\u4e0a\u8ff0SQL\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5e74\u9f61\u5927\u65bc18\u6b72\u7684\u7528\u6236\u4fe1\u606f\u3002\u9019\u7a2e\u7c21\u55ae\u800c\u5f37\u5927\u7684\u67e5\u8a62\u8a9e\u8a00\u4f7f\u5f97\u6578\u64da\u64cd\u4f5c\u8b8a\u5f97\u9ad8\u6548\u3002<\/p>\n<h3 id=\"%e9%9d%9e%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab-kynvHzAZNM\">\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab<\/h3>\n<p>\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5247\u4e0d\u4f7f\u7528\u8868\u683c\u7d50\u69cb\uff0c\u800c\u662f\u4ee5\u6587\u6a94\u3001\u9375\u503c\u5c0d\u6216\u5716\u5f62\u7684\u5f62\u5f0f\u5b58\u5132\u6578\u64da\u3002\u9019\u4f7f\u5f97\u5b83\u5011\u5728\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u548c\u9ad8\u4e26\u767c\u8acb\u6c42\u6642\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<pre><code>{ \"name\": \"John\", \"age\": 30, \"city\": \"Hong Kong\" }<\/code><\/pre>\n<p>\u9019\u662f\u4e00\u500bJSON\u683c\u5f0f\u7684\u6587\u6a94\uff0c\u5e38\u898b\u65bcMongoDB\u7b49\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\u3002\u9019\u7a2e\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u9069\u61c9\u8b8a\u5316\u7684\u9700\u6c42\u3002<\/p>\n<h2 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