{"id":193585,"date":"2024-11-12T23:25:19","date_gmt":"2024-11-12T15:25:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193585\/"},"modified":"2024-11-12T23:25:20","modified_gmt":"2024-11-12T15:25:20","slug":"%e5%ad%b8%e7%bf%92%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88%ef%bc%9a%e4%b8%80%e5%b0%8d%e4%b8%80%e9%97%9c%e4%bf%82%e8%88%87%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193585\/","title":{"rendered":"\u5b78\u7fd2\u6578\u64da\u5eab\u8a2d\u8a08\uff1a\u4e00\u5c0d\u4e00\u95dc\u4fc2\u8207\u5916\u9375\u7d04\u675f (\u6578\u64da\u5eab\u4e00\u5c0d\u4e00\u95dc\u4fc2 \u5916\u9375)"},"content":{"rendered":"<h1 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id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e4%b8%80%e5%b0%8d%e4%b8%80%e9%97%9c%e4%bf%82-OsRVkQJCoP\">\u5982\u4f55\u8a2d\u7f6e\u4e00\u5c0d\u4e00\u95dc\u4fc2<\/h3>\n<p>\u8a2d\u7f6e\u4e00\u5c0d\u4e00\u95dc\u4fc2\u901a\u5e38\u6d89\u53ca\u5230\u5169\u500b\u8868\u7684\u5275\u5efa\uff0c\u4e26\u5728\u5176\u4e2d\u4e00\u500b\u8868\u4e2d\u8a2d\u7f6e\u5916\u9375\u7d04\u675f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728SQL\u4e2d\u5275\u5efa\u4e00\u5c0d\u4e00\u95dc\u4fc2\uff1a<\/p>\n<pre><code>CREATE TABLE Users (\n    UserID INT PRIMARY KEY,\n    UserName VARCHAR(100) NOT NULL\n);\n\nCREATE TABLE UserProfile (\n    ProfileID INT PRIMARY KEY,\n    UserID INT UNIQUE,\n    Bio TEXT,\n    FOREIGN KEY (UserID) REFERENCES Users(UserID)\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c<code>Users<\/code> \u8868\u5b58\u5132\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u800c <code>UserProfile<\/code> 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