# A products dataset has no way to uniquely identify each row, so duplicates can sneak in

Canonical URL: <https://datadriven.io/problems/a-products-dataset-has-no-way-to-uniquely-identify-each-row-50c75c90>

Domain: Data Modeling · Difficulty: medium

## Problem

A products dataset has no way to uniquely identify each row, so duplicates can sneak in. Design a table that prevents this.

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