# An order-items table has a composite key but some columns depend on only part of that key, a 2NF vio

Canonical URL: <https://datadriven.io/problems/an-order-items-table-has-a-composite-key-but-some-columns-de-c1d0fd55>

Domain: Data Modeling · Difficulty: medium

## Problem

An order-items table has a composite key but some columns depend on only part of that key, a 2NF violation. Separate out the partial dependency.

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