Kings of the Aisle
A medium SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- mid
Interview Prompt
The merchandising team is reviewing which product owned each category this year. For each category, surface the single product with the highest total sales, biggest earner first.
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 and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision