Top of the Bill
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
Finance is reviewing the cloud bills and wants to see which services dominate the spend. Among the services that also show up in the cost allocations, surface the biggest by total cloud cost.
Summary
Every cloud bill has a headliner or two. Find them.
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