The Roster
A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L5
Interview Prompt
We need a headcount breakdown by department, from the biggest teams down to the smallest. When two departments have the same headcount, list them in alphabetical order.
Summary
Every department, counted head by head.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision