{"id":160835,"date":"2024-11-04T01:24:19","date_gmt":"2024-11-03T17:24:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160835\/"},"modified":"2024-11-04T01:24:20","modified_gmt":"2024-11-03T17:24:20","slug":"%e8%b3%87%e6%96%99%e5%ba%ab%e6%95%99%e7%a8%8b%ef%bc%9a%e8%b3%87%e6%96%99%e5%ba%ab%e7%b3%bb%e7%b5%b1%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f%e5%ae%83%e7%94%b1%e5%93%aa%e5%b9%be%e9%83%a8%e5%88%86%e7%b5%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160835\/","title":{"rendered":"\u8cc7\u6599\u5eab\u6559\u7a0b\uff1a\u8cc7\u6599\u5eab\u7cfb\u7d71\u662f\u4ec0\u9ebc\uff1f\u5b83\u7531\u54ea\u5e7e\u90e8\u5206\u7d44\u6210\uff1f"},"content":{"rendered":"<h1 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id=\"%e8%b3%87%e6%96%99%e5%ba%ab%e7%b3%bb%e7%b5%b1%e7%9a%84%e4%b8%bb%e8%a6%81%e7%b5%84%e6%88%90%e9%83%a8%e5%88%86-gGaNvZHsSv\">\u8cc7\u6599\u5eab\u7cfb\u7d71\u7684\u4e3b\u8981\u7d44\u6210\u90e8\u5206<\/h2>\n<p>\u8cc7\u6599\u5eab\u7cfb\u7d71\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<h3 id=\"1-%e8%b3%87%e6%96%99%e5%ba%ab%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1%ef%bc%88dbms%ef%bc%89-gGaNvZHsSv\">1. \u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09<\/h3>\n<p>\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u662f\u8cc7\u6599\u5eab\u7cfb\u7d71\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u4ecb\u9762\uff0c\u8b93\u7528\u6236\u80fd\u5920\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u548c\u522a\u9664\u8cc7\u6599\u3002\u5e38\u898b\u7684DBMS\u5305\u62ecMySQL\u3001PostgreSQL\u3001Oracle\u548cMicrosoft SQL Server\u7b49\u3002\u9019\u4e9b\u7cfb\u7d71\u901a\u5e38\u63d0\u4f9bSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u4f5c\u70ba\u8207\u8cc7\u6599\u5eab\u4e92\u52d5\u7684\u4e3b\u8981\u65b9\u5f0f\u3002<\/p>\n<pre><code>-- \u9019\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\u7bc4\u4f8b\nSELECT * FROM users WHERE age &gt; 18;\n<\/code><\/pre>\n<h3 id=\"2-%e8%b3%87%e6%96%99%e5%ba%ab-gGaNvZHsSv\">2. \u8cc7\u6599\u5eab<\/h3>\n<p>\u8cc7\u6599\u5eab\u662f\u5132\u5b58\u8cc7\u6599\u7684\u5be6\u9ad4\u3002\u5b83\u53ef\u4ee5\u5305\u542b\u591a\u500b\u8cc7\u6599\u8868\uff0c\u6bcf\u500b\u8cc7\u6599\u8868\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u884c\u4ee3\u8868\u8cc7\u6599\u7684\u8a18\u9304\uff0c\u800c\u5217\u5247\u4ee3\u8868\u8cc7\u6599\u7684\u5c6c\u6027\u3002\u4f8b\u5982\uff0c\u4e00\u500b\u7528\u6236\u8cc7\u6599\u8868\u53ef\u80fd\u5305\u542b\u7528\u6236ID\u3001\u59d3\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u548c\u5e74\u9f61\u7b49\u6b04\u4f4d\u3002<\/p>\n<h3 id=\"3-%e8%b3%87%e6%96%99%e6%a8%a1%e5%9e%8b-gGaNvZHsSv\">3. \u8cc7\u6599\u6a21\u578b<\/h3>\n<p>\u8cc7\u6599\u6a21\u578b\u5b9a\u7fa9\u4e86\u8cc7\u6599\u7684\u7d50\u69cb\u548c\u95dc\u4fc2\u3002\u5e38\u898b\u7684\u8cc7\u6599\u6a21\u578b\u5305\u62ec\u95dc\u806f\u6a21\u578b\u3001\u7269\u4ef6\u5c0e\u5411\u6a21\u578b\u548c\u6587\u6a94\u6a21\u578b\u7b49\u3002\u95dc\u806f\u6a21\u578b\u662f\u6700\u5e38\u7528\u7684\u8cc7\u6599\u6a21\u578b\uff0c\u5b83\u4f7f\u7528\u8868\u683c\u4f86\u8868\u793a\u8cc7\u6599\u53ca\u5176\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/p>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e8%aa%9e%e8%a8%80-gGaNvZHsSv\">4. 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id=\"%e8%b3%87%e6%96%99%e5%ba%ab%e7%b3%bb%e7%b5%b1%e7%9a%84%e6%87%89%e7%94%a8-gGaNvZHsSv\">\u8cc7\u6599\u5eab\u7cfb\u7d71\u7684\u61c9\u7528<\/h2>\n<p>\u8cc7\u6599\u5eab\u7cfb\u7d71\u5728\u5404\u884c\u5404\u696d\u4e2d\u90fd\u6709\u5ee3\u6cdb\u7684\u61c9\u7528\u3002\u4f8b\u5982\uff0c\u5728\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e2d\uff0c\u8cc7\u6599\u5eab\u7528\u65bc\u5132\u5b58\u7522\u54c1\u8cc7\u8a0a\u3001\u7528\u6236\u8cc7\u6599\u548c\u8a02\u55ae\u8a18\u9304\u3002\u5728\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u4e0a\uff0c\u8cc7\u6599\u5eab\u5247\u7528\u65bc\u7ba1\u7406\u7528\u6236\u7684\u5e16\u5b50\u3001\u8a55\u8ad6\u548c\u597d\u53cb\u95dc\u4fc2\u3002\u7121\u8ad6\u662f\u5927\u578b\u4f01\u696d\u9084\u662f\u5c0f\u578b\u521d\u5275\u516c\u53f8\uff0c\u8cc7\u6599\u5eab\u7cfb\u7d71\u90fd\u662f\u5176\u6578\u64da\u7ba1\u7406\u7b56\u7565\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gGaNvZHsSv\">\u7e3d\u7d50<\/h2>\n<p>\u8cc7\u6599\u5eab\u7cfb\u7d71\u662f\u4e00\u500b\u8907\u96dc\u4f46\u81f3\u95dc\u91cd\u8981\u7684\u6280\u8853\uff0c\u6db5\u84cb\u4e86\u5f9e\u8cc7\u6599\u5132\u5b58\u5230\u8cc7\u6599\u7ba1\u7406\u7684\u5404\u500b\u65b9\u9762\u3002\u4e86\u89e3\u8cc7\u6599\u5eab\u7cfb\u7d71\u7684\u7d44\u6210\u90e8\u5206\u53ca\u5176\u529f\u80fd\uff0c\u5c0d\u65bc\u4efb\u4f55\u5e0c\u671b\u5728\u6578\u4f4d\u4e16\u754c\u4e2d\u53d6\u5f97\u6210\u529f\u7684\u500b\u4eba\u6216\u4f01\u696d\u4f86\u8aaa\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u8cc7\u6599\u5eab\u7cfb\u7d71\uff0cServer.HK 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