﻿ SQL: Employees whose salary is greater than their managers

# SQL Exercise: Employees whose salary is greater than their managers

## SQL employee Database: Exercise-54 with Solution

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54. From the following table, write a SQL query to identify employees whose salaries are higher than their managers' salaries. Return employee name, job name, manager ID, salary, manager name, manager's salary.

Sample table: employees

Pictorial Presentation:

Sample Solution:

``````SELECT w.emp_name,
w.job_name,
w.manager_id,
w.salary,
m.emp_name "Manager",
m.emp_id,
m.salary "Manager_Salary"
FROM employees w,
employees m
WHERE w.manager_id = m.emp_id
AND w.salary > m.salary;
``````

Sample Output:

``` emp_name | job_name | manager_id | salary  | Manager | emp_id | Manager_Salary
----------+----------+------------+---------+---------+--------+----------------
SCARLET  | ANALYST  |      65646 | 3100.00 | JONAS   |  65646 |        2957.00
FRANK    | ANALYST  |      65646 | 3100.00 | JONAS   |  65646 |        2957.00
(2 rows)
```

Explanation:

The given query in SQL that selects the employee name, job name, manager ID, salary, manager name aliased as "Manager", manager ID, and manager salary aliased as "Manager_Salary" for all employees from the employees table.

The query is using a self-join to combine data from the employees table with itself based on the manager_id column.

The WHERE clause filters those employees whose salary is greater than their manager's salary.

## Practice Online

Sample Database: employee

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