The Engagement Curve
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
- L3
Interview Prompt
The product team is studying whether longer visits actually go deeper. Sort sessions into named duration buckets and, for each bucket, show how many sessions it holds and the average pages viewed, from the highest average down.
Summary
Longer sessions, more pages? Check.
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