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Avoid UUID Version 4 Primary Keys in Postgres

Introduction Over the last decade, when working on databases with UUID Version 41 as the primary key data type, these databases have usually had bad performance and excessive IO. https://datatracker.ietf.org/doc/html/rfc4122#section-4.4 ↩
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Databases & DataSoftware Engineering2025

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Dec 15, 2025Avoid UUID Version 4 Primary Keys in Postgres by pil0u377449

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