Full Funnel
A hard SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- L4
Interview Prompt
The funnel team is building a 'full lifecycle' segment: users who engaged at every stage of the journey, searching, browsing, and buying. Return the usernames of the users who show up across all three.
Summary
Search. Browse. Buy. Only a few do all three.
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