Depth of Instrumentation
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
HR is auditing whether all departments are tracking the same breadth of performance metrics. For each department, show how many different metric types are being recorded.
Summary
Some teams measure everything. Others are flying blind.
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