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

Domain

SQL

Difficulty

hard

Problem

Strategy wants a full financial picture per product category. For each category, compute total revenue (sum of transaction amounts) and total units sold (sum of quantities). Assign each category a position by revenue, highest first, with ties sharing a position. Return the category, revenue, units, and position.

Summary

Revenue, units, rank. The full category report card.

Practice This Problem

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