Employee Manager Hierarchy Depth
Problem
**[Classic — recursive CTE]**
The `employees` table has a `manager_id` referencing another employee.
Calculate each employee's **depth** in the org chart (CEO has manager_id=NULL
and depth=1).
Return `id`, `name`, `depth`, ordered by depth then id.
Tables
Example rows — the live problem includes the full dataset.
employees
| id | name | manager_id |
|---|
Expected output
Your answer should return 6 rows with the columns id, name, depth.
Starter code (SQL)
SELECT *
FROM employees;Solve this SQL question free
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Solution & explanation
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