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Average Salary by Department (With Minimum Employee Count...

Medium

MediumjoinsSQL

Average Salary by Department (With Minimum Employee Count)

The HR team wants to review average salaries across departments but only for departments with at least 3 employees. They need this information to identify which departments meet a minimum staffing threshold and how their compensation compares.

Return

departments.name — department name COUNT(employees.id) — number of employees in the department AVG(employees.salary) — average salary in the department Only include departments with 3 or more employees. Order the results by average salary descending.

Expected output

name	COUNT(e.id)	AVG(e.salary)
2 rows — values hidden, that's the puzzle

Your query should return 2 rows with these columns. Your column aliases don't need to match.

Tables · HR — Departments & Employees

departments

idINTEGERpknameTEXT

employees

idINTEGERpknameTEXTdepartment_idINTEGER→departments.idnullmanager_idINTEGER→employees.idnullsalaryINTEGERhired_onTEXT

id	name	department_id	manager_id	salary	hired_on
1	Ana Reyes	1	NULL	150000	2018-03-01
2	Ben Cho	1	1	120000	2019-06-15
3	Cara Diaz	1	1	120000	2020-01-20
4	Dan Ellis	2	NULL	140000	2017-11-05
5	Eve Fox	2	4	95000	2021-02-10

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