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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
Interview Prompt
Analytics wants to see each user's sessions ranked by engagement. Within each user, number their sessions from longest to shortest by session_duration_sec. Skip rows where session_duration_sec is NULL. Return the user_id, duration, and position number.
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