{"id":187726,"date":"2024-11-11T16:40:18","date_gmt":"2024-11-11T08:40:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187726\/"},"modified":"2024-11-11T16:40:18","modified_gmt":"2024-11-11T08:40:18","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e8%b6%85%e9%8f%88%e6%8e%a5%ef%bc%9a%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e9%97%9c%e8%81%af%e5%92%8c%e8%a8%aa%e5%95%8f%e7%9a%84%e5%88%a9%e5%99%a8-%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187726\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d\u7684\u8d85\u93c8\u63a5\uff1a\u63d0\u5347\u6578\u64da\u95dc\u806f\u548c\u8a2a\u554f\u7684\u5229\u5668 (\u6578\u64da\u5eab \u8d85\u93c8\u63a5)"},"content":{"rendered":"<h1 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id=\"%e8%b6%85%e9%8f%88%e6%8e%a5%e7%9a%84%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be-xxpFFodoZX\">\u8d85\u93c8\u63a5\u7684\u6280\u8853\u5be6\u73fe<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5be6\u73fe\u8d85\u93c8\u63a5\u901a\u5e38\u6d89\u53ca\u5230\u5916\u9375\uff08Foreign Key\uff09\u7684\u4f7f\u7528\u3002\u5916\u9375\u662f\u4e00\u7a2e\u7d04\u675f\uff0c\u7528\u65bc\u5728\u4e00\u500b\u8868\u4e2d\u5f15\u7528\u53e6\u4e00\u500b\u8868\u7684\u4e3b\u9375\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 SQL \u4e2d\u5275\u5efa\u8d85\u93c8\u63a5\uff1a<\/p>\n<pre><code>CREATE TABLE Authors (\n    AuthorID INT PRIMARY KEY,\n    Name VARCHAR(100)\n);\n\nCREATE TABLE Books (\n    BookID INT PRIMARY KEY,\n    Title VARCHAR(100),\n    AuthorID INT,\n    FOREIGN KEY (AuthorID) REFERENCES Authors(AuthorID)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0cBooks \u8868\u4e2d\u7684 AuthorID \u5217\u4f5c\u70ba\u5916\u9375\uff0c\u5f15\u7528\u4e86 Authors \u8868\u4e2d\u7684 AuthorID\u3002\u9019\u6a23\uff0cBooks \u8868\u4e2d\u7684\u6bcf\u672c\u66f8\u90fd\u53ef\u4ee5\u8207\u5176\u4f5c\u8005\u5efa\u7acb\u95dc\u806f\uff0c\u5be6\u73fe\u4e86\u6578\u64da\u7684\u8d85\u93c8\u63a5\u3002<\/p>\n<h2 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