Leetcode: Employees Earning More Than Their Managers

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

# Write your MySQL query statement belowselect e1.Namefrom Employee e1, Employee e2where e1.ManagerId=e2.Id and e1.Salary>e2.Salary