Problem Description –
For this problem, we will consider a manager an employee who has at least 1 other employee reporting to them.
Write an SQL query to report the ids and the names of all managers, the number of employees who report directly to them, and the average age of the reports rounded to the nearest integer.
Return the result table ordered by
The query result format is in the following example.
Problem Link – Employee
Difficulty Level – Easy
SELECT e2.employee_id, e2.name, COUNT(*) as reports_count, ROUND(AVG(e1.age)) as average_age FROM Employees as e1, Employees as e2 WHERE e1.reports_to = e2.employee_id GROUP BY 1, 2 ORDER BY 1