A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- easy
Interview Prompt
The advertising team is evaluating campaign performance for the quarterly review. For each ad campaign, show the number of impressions served, the total revenue generated, and the click-through rate as a percentage rounded to one decimal place. Only include campaigns with more than five impressions, presented from highest click-through rate to lowest.
Summary
Which campaigns are earning their keep?
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