Holiday Promo Campaign Click Year
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
- Seniority
- L3
Interview Prompt
The ad impressions table logs campaign-level clicks. Find the year in which the HOLIDAY_PROMO campaign had at least 1 total click. Roll up impressions by year for the HOLIDAY_PROMO campaign only. Return the qualifying fiscal year.
Summary
One year, the holiday campaign exploded.
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