Session Rank
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
For every user, number their sessions from the longest to the shortest by session_duration_sec, and return the user_id, that duration, and the position number.
Summary
Longest sessions rise to the top. Within each user, a pecking order.
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