# Find products that are missing a rating or have a NULL category

Canonical URL: <https://datadriven.io/problems/find-products-that-are-missing-a-rating-or-have-a-null-categ-d0f5bd55>

Domain: SQL · Difficulty: medium

## Problem

Find products that are missing a rating or have a NULL category. Select product_id, product_name, category, and rating from products where either is NULL.

## Related

- [All practice problems](https://datadriven.io/problems)
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