{"id":190146,"date":"2024-11-12T10:09:20","date_gmt":"2024-11-12T02:09:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190146\/"},"modified":"2024-11-12T10:09:21","modified_gmt":"2024-11-12T02:09:21","slug":"%e7%b6%b2%e9%a0%81%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%ef%bc%9a%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e7%ae%a1%e7%90%86%e6%82%a8%e7%9a%84%e7%b6%b2%e7%ab%99%e6%95%b8%e6%93%9a%ef%bc%9f-%e7%b6%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190146\/","title":{"rendered":"\u7db2\u9801\u6578\u64da\u5eab\u7ba1\u7406\uff1a\u5982\u4f55\u6709\u6548\u7ba1\u7406\u60a8\u7684\u7db2\u7ad9\u6578\u64da\uff1f (\u7db2\u9801 \u6578\u64da\u5eab\u7ba1\u7406)"},"content":{"rendered":"<h1 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id=\"2-%e8%a8%ad%e8%a8%88%e5%90%88%e7%90%86%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-QlSqNWTXsY\">2. \u8a2d\u8a08\u5408\u7406\u7684\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u61c9\u8a72\u9075\u5faa\u6b63\u898f\u5316\u539f\u5247\uff0c\u4ee5\u6e1b\u5c11\u6578\u64da\u5197\u9918\u548c\u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u8868\u8a2d\u8a08\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE TABLE Users (\n    UserID INT PRIMARY KEY AUTO_INCREMENT,\n    UserName VARCHAR(100) NOT NULL,\n    Email VARCHAR(100) NOT NULL UNIQUE,\n    CreatedAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a-QlSqNWTXsY\">3. 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