Bargains and Budget-Busters
A hard SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- L4
Interview Prompt
FinOps is auditing cloud spend region by region, where two systems record line items: the provider's cost ledger and the team's internal allocations. Treat them as one combined stream, and for each region return the service behind the single biggest line item and the service behind the single smallest.
Summary
Every region has both. 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