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A comment on Unexpected downsides of UUID keys in PostgreSQL. Parent comment

Re:Unexpected downsides of UUID keys in PostgreSQL by FroshKiller on Thursday June 22, 2023 @08:54AM (#36431404)
Crucially, "5" might also be the key to a thousand different records in dozens of other development & QA databases for applications with integrations configured incorrectly. Integers can match coincidentally. UUIDs won't.
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