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
We're profiling web sessions to see how engagement varies with length. Bucket the sessions by how long they run and, for each bucket, return how many sessions it holds and the average pages viewed, highest average first.
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