# Create a sessions table using a UUID-based primary key instead of a sequential integer

Canonical URL: <https://datadriven.io/problems/create-a-sessions-table-using-a-uuid-based-primary-key-inste-4d18dfa2>

Domain: Data Modeling · Difficulty: medium

## Problem

Create a sessions table using a UUID-based primary key instead of a sequential integer. Why might UUID be preferable?

## Related

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