Ad Revenue by Age Bucket
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 ad monetization team is evaluating which user demographics drive the most revenue. Show the total ad revenue for each age bucket, with the highest-earning buckets first. Exclude users who have no age bucket on file.
Summary
Ad dollars, sliced by country.
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