# A flat orders table stores customer_name and customer_email alongside each order

Canonical URL: <https://datadriven.io/problems/a-flat-orders-table-stores-customername-and-customeremail-c93792e9>

Domain: Data Modeling · Difficulty: medium

## Problem

A flat orders table stores customer_name and customer_email alongside each order. When a customer changes their email, every order row must be updated. Split this into two normalized tables: customers and orders.

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