【leetcode SQL】Employees Earning More Than Their Managers,leetcodeearning
The Employee
table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id.
+----+-------+--------+-----------+| Id | Name | Salary | ManagerId |+----+-------+--------+-----------+| 1 | Joe | 70000 | 3 || 2 | Henry | 80000 | 4 || 3 | Sam | 60000 | NULL || 4 | Max | 90000 | NULL |+----+-------+--------+-----------+
Given the Employee
table, write a SQL query that finds out employees who earn more than their managers. For the above table, Joe is the only employee who earns more than his manager.
+----------+| Employee |+----------+| Joe |+----------+
解決方案如下:
# Write your MySQL query statement belowSelect a.Name as Employee from Employee a inner join Employee b on a.ManagerId=b.Idwhere a.Salary>b.Salary
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