Top Product Category by Transactions
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
- L4
Interview Prompt
Which product category had the highest transaction volume in 2026? Return the category name and transaction count. If there's a tie, include all tied categories.
Summary
Organic purchases, no marketing nudge. Which category wins?
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