The Phantom Readers
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 growth team wants to target window shoppers with a promotion. Find users who viewed at least 5 pages in the past 30 days but have zero transactions ever. Return their user_id, username, email, and total view count, sorted from most views to least.
Summary
They read everything. They bought nothing.
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