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Top Cost Categories

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
junior, mid

Interview Prompt

Categories are tracked in the budget allocation system, but actual billing amounts live in the cost tracking system. Attribute each cloud charge to the correct budget category by matching the allocation for that service and region. Show the top 3 categories by total amount.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your sql solution with real code execution
  4. Get instant feedback and a hire/no-hire decision