The Transaction Breakdown
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
- L4
Interview Prompt
We're building an exec dashboard tile that shows how transaction volume is accelerating. Produce a single-row snapshot with the transaction count over the last 30 days, the last 180 days, and all-time.
Summary
Multiple time windows. One query. The business wants all of it at once.
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