Average Spending by Account Status
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
- L3
Interview Prompt
The finance team is building a lifetime value model and wants to know whether premium account tiers actually correlate with higher spend. For each account status, show the average total spend among users who have made at least one purchase.
Summary
Average per-user lifetime spending segmented by account status
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