# For each product category, count the distinct buyers and list their usernames

Canonical URL: <https://datadriven.io/problems/for-each-product-category-count-the-distinct-buyers-and-lis-5370bf2e>

Domain: SQL · Difficulty: medium

## Problem

For each product category, count the distinct buyers and list their usernames. Only include categories with 3 or more buyers. Return category, buyer_count, and buyers.

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