Cloud Cost Trend Analysis
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
- L4
Interview Prompt
FinOps wants to spot bumpy cloud bills service by service. For every individual bill, list the service, the billing date, the amount, and how much that bill moved versus the service's previous bill. The first bill on record for a service has nothing to compare against. Walk the bills service by service, oldest to newest.
Summary
Cost trends across billing periods.
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