Click-Through by Campaign
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
- L4
Interview Prompt
The ad team wants an engagement breakdown by campaign. For each campaign, show the total number of impressions and the percentage that were clicked versus not clicked. List alphabetically by campaign.
Summary
Which campaigns actually got the tap.
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