# Use a range-based self-join to find products priced at 30 or less paired with cheaper products from

Canonical URL: <https://datadriven.io/problems/use-a-range-based-self-join-to-find-products-priced-at-30-or-8fb34015>

Domain: SQL · Difficulty: medium

## Problem

Use a range-based self-join to find products priced at 30 or less paired with cheaper products from a different category.

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