Top Cost Categories

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

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.

Summary

Three categories eating the budget.

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