Where the Money Burns
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
We run a multi-cloud billing dataset where each row is a single service charge. Find the services whose average charge sits above the average charge across every record, and return their names.
Summary
Some services quietly burn more than the rest.
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