Behind the Fleet
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
- mid
Interview Prompt
The reliability team is combing through server logs to find the machines that are dragging response times up. Give each server its average response time, then surface the ones sitting above the average machine, the mean of those per-server averages, slowest first.
Summary
Every machine keeps its own pace. Find the ones falling short of the average.
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