[LeetCode] Employees Earning More Than Their Managers, problem solving report, leetcodeearning
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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.
Ideas
The subject is to find the Employee name whose salary is higher than the manager salary from the Employee table.
The implementation scheme is also MYSQL inline, directly on ac SQL.
AC SQL
select e1.Name from Employee as e1 inner join Employee as e2 on e1.ManagerId = e2.Id and e1.Salary > e2.Salary;