Kings of the Aisle
A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- mid
Interview Prompt
The merchandising team is reviewing which product owned each category this year. For every category, surface the single product with the highest total sales, listed from the biggest earner down.
Summary
Every category crowns exactly one winner. Go find them.
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