# An e-commerce product page needs to show product name, category, and average rating

Canonical URL: <https://datadriven.io/problems/an-e-commerce-product-page-needs-to-show-product-name-categ-13626d46>

Domain: Data Modeling · Difficulty: medium

## Problem

An e-commerce product page needs to show product name, category, and average rating. Instead of computing the average on each request, design a denormalized products table that stores the pre-computed average alongside the normalized data.

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