Lc181-超过经理收入的员工

Employee 表包含所有员工,他们的经理也属于员工。每个员工都有一个 Id,此外还有一列对应员工的经理的 Id。

+----+-------+--------+-----------+
| Id | Name  | Salary | ManagerId |
+----+-------+--------+-----------+
| 1  | Joe   | 70000  | 3         |
| 2  | Henry | 80000  | 4         |
| 3  | Sam   | 60000  | NULL      |
| 4  | Max   | 90000  | NULL      |
+----+-------+--------+-----------+
给定 Employee 表,编写一个 SQL 查询,该查询可以获取收入超过他们经理的员工的姓名。在上面的表格中,Joe 是唯一一个收入超过他的经理的员工。

+----------+
| Employee |
+----------+
| Joe      |
+----------+

来源:力扣(LeetCode)
链接:https://leetcode-cn.com/problems/employees-earning-more-than-their-managers
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# Write your MySQL query statement below
select e.name as Employee
from Employee e
left join Employee m
on e.managerId = m.id
where e.managerId is not null
and e.salary>m.salary

  

posted @ 2020-01-08 13:14  小傻孩丶儿  阅读(206)  评论(0编辑  收藏  举报