sql语句嵌套很有用

    技术2022-05-18  25

    SELECT LastName,

    FirstName, Title, Salary

    FROM Employees AS T1

    WHERE Salary >=

    (SELECT Avg(Salary)

    FROM Employees

    WHERE T1.Title = Employees.Title) Order by Title;

     

    SELECT * FROM Products

    WHERE ProductID IN

    (SELECT ProductID FROM OrderDetails

    WHERE Discount >= .25);

     

    SELECT * FROM Products

    WHERE UnitPrice > ANY

    (SELECT UnitPrice FROM OrderDetails

    WHERE Discount >= .25);


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