每日一题-7（员工的收入超过其经理）

题7：

根据下表编写一个SQL查询，该查询可以获取收入超过他们经理的员工的姓名。

解题思路：一张表，比较两个人的工资，就会想到将一张表变成两张表，用一个inner join就可以了

select a.Name as Employee
from Employee as a
inner join Employee as b 
on a.ManagerId = b.Id
WHERE
     a.Salary > b.Salary;