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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
junior, mid

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.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your sql solution with real code execution
  4. Get instant feedback and a hire/no-hire decision