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The Regional Cost Reconciliation
A hard SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- senior, staff
Problem
The FinOps team wants to reconcile actual cloud charges against budget allocations on a per-region timeline. Stack both sources together, treating charges as negative and allocations as positive, and compute a running balance per region. Return region, date, amount, and running balance, sequenced by region and date.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a live PostgreSQL database and grades it instantly.