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Leetcode: Employees Earning More Than Their Managers

2015-05-14 10:14 337 查看

Question

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 |

+———-+

My Solution

[code]# Write your MySQL query statement below
select e1.Name
from Employee e1, Employee e2
where e1.ManagerId=e2.Id and e1.Salary>e2.Salary
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