{"id":189516,"date":"2024-11-12T08:26:20","date_gmt":"2024-11-12T00:26:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189516\/"},"modified":"2024-11-12T08:26:21","modified_gmt":"2024-11-12T00:26:21","slug":"%e5%9c%96%e6%9b%b8%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e5%8a%a9%e5%8a%9b%e5%9c%96%e6%9b%b8%e9%a4%a8%e8%87%aa%e5%8b%95%e5%8c%96%e7%ae%a1%e7%90%86-%e8%a8%ad%e6%9c%89%e5%9c%96%e6%9b%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189516\/","title":{"rendered":"\u5716\u66f8\u7ba1\u7406\u6578\u64da\u5eab\uff1a\u52a9\u529b\u5716\u66f8\u9928\u81ea\u52d5\u5316\u7ba1\u7406 (\u8a2d\u6709\u5716\u66f8\u7ba1\u7406\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e5%9c%96%e6%9b%b8%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-hFXLBbWCVE\">\u5716\u66f8\u7ba1\u7406\u6578\u64da\u5eab\u7684\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u8a31\u591a\u5716\u66f8\u9928\u5df2\u7d93\u958b\u59cb\u4f7f\u7528\u5716\u66f8\u7ba1\u7406\u6578\u64da\u5eab\u4f86\u63d0\u5347\u5176\u7ba1\u7406\u6548\u7387\u3002\u4f8b\u5982\uff0c\u67d0\u5927\u578b\u516c\u5171\u5716\u66f8\u9928\u5f15\u5165\u4e86\u4e00\u5957\u5148\u9032\u7684\u5716\u66f8\u7ba1\u7406\u7cfb\u7d71\uff0c\u8a72\u7cfb\u7d71\u4e0d\u50c5\u80fd\u5920\u5be6\u73fe\u81ea\u52d5\u501f\u95b1\u548c\u6b78\u9084\uff0c\u9084\u80fd\u5920\u901a\u904e\u6578\u64da\u5206\u6790\u4e86\u89e3\u8b80\u8005\u7684\u501f\u95b1\u7fd2\u6163\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u9032\u884c\u8cc7\u6e90\u7684\u91c7\u8cfc\u548c\u914d\u7f6e\u3002<\/p>\n<h3 id=\"%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be-hFXLBbWCVE\">\u6280\u8853\u5be6\u73fe<\/h3>\n<p>\u5716\u66f8\u7ba1\u7406\u6578\u64da\u5eab\u7684\u6280\u8853\u5be6\u73fe\u901a\u5e38\u57fa\u65bc\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08RDBMS\uff09\uff0c\u5982MySQL\u3001PostgreSQL\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5eab\u8868\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE TABLE books (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    title VARCHAR(255) NOT NULL,\n    author VARCHAR(255) NOT NULL,\n    isbn VARCHAR(20) UNIQUE NOT NULL,\n    available_copies INT NOT 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