# Join transactions to products to find total spending and transaction count per product category

Canonical URL: <https://datadriven.io/problems/join-transactions-to-products-to-find-total-spending-and-tra-110bcd41>

Domain: SQL · Difficulty: medium

## Problem

Join transactions to products to find total spending and transaction count per product category. This is a classic fact-to-dimension pattern ideal for broadcast joins.

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