Join twice,890ms accepted


  • 0
    M
    SELECT Name, Employee, Salary
    FROM Department JOIN (SELECT Employee.Name AS Employee, Employee.Salary, Employee.DepartmentId
    	FROM Employee JOIN (SELECT `DepartmentId`, MAX(`Salary`) AS Salary
    		FROM `Employee`
    		GROUP BY `DepartmentId`
    		) t1 ON t1.DepartmentId = Employee.DepartmentId
    	AND t1.Salary = Employee.Salary
    	) t2 ON Department.Id = t2.DepartmentId

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