The Fast Lane
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 data platform team is benchmarking the pipelines that finish quickly, those that complete in 45 minutes or less (2700 seconds). For each of those pipelines, find the average rows output, sorted from the highest average to the lowest.
Summary
Only the quick runs make the cut. Measure what they move.
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