Exploring PostgreSQL 18’s new UUIDv7 support
Aiven BlogOct 13, 2025Exploring PostgreSQL 18’s new UUIDv7 supportExploring what’s interesting about UUIDv7 support using a demo crab store.Alexander Fridriksson|RSS FeedAlexander does product marketing for databases at Aiven. Throughout his career he’s worked across marketing, sales, analytics, data engineering and more.Jay Miller|RSS FeedJay is a Staff Developer Advocate at Aiven. Jay has served as a keynote speaker and an avid member of the Python Community. When away from the keyboard, Jay can often be found cheering on their favorite baseball team. PostgreSQL®Should you use UUIDs as the primary key in your database? You might have heard they are terrible for performance, which is often true for traditional UUIDv4. However, the introduction of UUIDv7 fixes many of the previous…
