# Return DISTINCT user_id values that appear in transactions with quantity >= 3 but NOT in transaction

Canonical URL: <https://datadriven.io/problems/return-distinct-userid-values-that-appear-in-transactions-w-1f488198>

Domain: SQL · Difficulty: medium

## Problem

Return DISTINCT user_id values that appear in transactions with quantity >= 3 but NOT in transactions with quantity = 1. Use EXCEPT. Order by user_id.

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