Employees Earning More Than Their Managers

Find the names of employees who earn more than their direct manager.

Table schema

Employees(id INT PRIMARY KEY, name VARCHAR(50), salary INT, manager_id INT NULL)

Sample data

id | name | salary | manager_id
1 | Joe | 70000 | 3
2 | Henry | 80000 | 4
3 | Sam | 60000 | NULL
4 | Max | 90000 | NULL