Break Through
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 marketing team is auditing ad campaigns before next quarter's budget is set, and only campaigns converting impressions to clicks at a strong rate are worth renewing. Surface those campaigns with their click-through rate, the revenue they brought in, and how many impressions each got, highest click-through rate first.
Summary
A click is the only vote that counts.
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