<ul><li>When designing a new SQL database schema, developers often need to choose between UUID or Auto Increment Integer/Serial as the primary key.</li><li>Auto Increment Integer/Serial is readable, occupies less space, but can't be used in distributed systems and may expose business data.</li><li>UUID is globally unique, stateless, and provides a sense of security, but is not readable and not naturally sortable by creation time.</li><li>UUIDv7 is a new UUID format that addresses some limitations by introducing time-ordering, improving performance and indexing.</li></ul>

UUID 🪪 or Auto Increment Integer / Serial ⚙️ as the Database Primary Key?

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