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Employees Earning More Than Their Managers Leetcode SQL

2024-11-06 07:56:02   203人阅读

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      |

+----------+

这题用的是self join 的方法 选出 ManagerID 再将Salary作为比较条件即可得到答案。

# Write your MySQL query statement below
SELECT A.Name From Employee A,Employee B
WHERE A.ManagerId=B.Id and A.Salary>B.Salary


Employees Earning More Than Their Managers Leetcode SQL


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