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SQL Schema
Create table If Not Exists Employee (id int, name varchar(255), salary int, managerId int)
Truncate table Employee
insert into Employee (id, name, salary, managerId) values ('1', 'Joe', '70000', '3')
insert into Employee (id, name, salary, managerId) values ('2', 'Henry', '80000', '4')
insert into Employee (id, name, salary, managerId) values ('3', 'Sam', '60000', 'None')
insert into Employee (id, name, salary, managerId) values ('4', 'Max', '90000', 'None')
Table: Employee
+-------------+---------+
| Column Name | Type |
+-------------+---------+
| id | int |
| name | varchar |
| salary | int |
| managerId | int |
+-------------+---------+
id is the primary key column for this table.
Each row of this table indicates the ID of an employee, their name, salary, and the ID of their manager.
Write an SQL query to find the employees who earn more than their managers.
Return the result table in any order.
The query result format is in the following example.
Example 1:
Input:
Employee table:
+----+-------+--------+-----------+
| id | name | salary | managerId |
+----+-------+--------+-----------+
| 1 | Joe | 70000 | 3 |
| 2 | Henry | 80000 | 4 |
| 3 | Sam | 60000 | Null |
| 4 | Max | 90000 | Null |
+----+-------+--------+-----------+
Output:
+----------+
| Employee |
+----------+
| Joe |
+----------+
Explanation: Joe is the only employee who earns more than his manager.
select
e1.name as Employee
from
employee e1
join
employee e2
where
e1.managerid = e2.id
and e1.salary > e2.salary;
SELECT Name as Employee FROM Employee e
WHERE Salary > (
Select Salary FROM Employee m WHERE m.Id = e.ManagerId
)
select e.name Employee
from Employee e
inner join
Employee b
on e.ManagerId = b.Id
where e.Salary> b.Salary
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