Metric Volatility Gap
A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L4
Interview Prompt
HR suspects some departments have wild performance swings while others are stable. Show each department's metric value spread (highest minus lowest), with the most volatile departments first.
Summary
Stable metrics are boring. Volatile ones need attention.
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