{"id":188474,"date":"2024-11-11T23:02:23","date_gmt":"2024-11-11T15:02:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188474\/"},"modified":"2024-11-11T23:02:24","modified_gmt":"2024-11-11T15:02:24","slug":"%e6%8e%a2%e7%a9%b6%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%a1%a8%e9%96%93%e9%97%9c%e4%bf%82%ef%bc%8c%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e7%b5%90%e6%a7%8b-%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188474\/","title":{"rendered":"\u63a2\u7a76\u6578\u64da\u5eab\u4e2d\u8868\u9593\u95dc\u4fc2\uff0c\u6df1\u5165\u7406\u89e3\u6578\u64da\u5b58\u5132\u7d50\u69cb (\u6578\u64da\u5eab \u8868\u9593\u95dc\u4fc2)"},"content":{"rendered":"

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CREATE TABLE Users (\n    UserID INT PRIMARY KEY,\n    UserName VARCHAR(100)\n);\n\nCREATE TABLE UserDetails (\n    DetailID INT PRIMARY KEY,\n    UserID INT,\n    Address VARCHAR(255),\n    FOREIGN KEY (UserID) REFERENCES Users(UserID)\n);\n<\/code><\/pre>\n
\u4e00\u5c0d\u591a\u95dc\u4fc2<\/h3>\n
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CREATE TABLE Customers (\n    CustomerID INT PRIMARY KEY,\n    CustomerName VARCHAR(100)\n);\n\nCREATE TABLE Orders (\n    OrderID INT PRIMARY KEY,\n    CustomerID INT,\n    OrderDate DATE,\n    FOREIGN KEY (CustomerID) REFERENCES Customers(CustomerID)\n);\n<\/code><\/pre>\n
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CREATE TABLE Students (\n    StudentID INT PRIMARY KEY,\n    StudentName VARCHAR(100)\n);\n\nCREATE TABLE Courses (\n    CourseID INT PRIMARY KEY,\n    CourseName VARCHAR(100)\n);\n\nCREATE TABLE StudentCourses (\n    StudentID INT,\n    CourseID INT,\n    PRIMARY KEY (StudentID, CourseID),\n    FOREIGN KEY (StudentID) REFERENCES Students(StudentID),\n    FOREIGN KEY (CourseID) REFERENCES Courses(CourseID)\n);\n<\/code><\/pre>\n
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