/Brian Morrison

The Problem With Using a UUID Primary Key In MySQL tl;dr: “UUIDs especially useful in a distributed architecture, where you have a number of systems and databases responsible for creating records. You might think that using UUIDs as a primary key in a database is a great idea, but when used incorrectly, they can drastically hurt database performance. In this article, you'll learn about the downsides of using UUIDs as a primary key in your MySQL database.”

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