IT Services Circle
Jun 4, 2025 · Databases
Understanding UUIDv7: Time‑Ordered IDs for Database Primary Keys
This article explains the limitations of traditional random UUIDs as database primary keys, introduces the time‑ordered UUIDv7 design with its 48‑bit timestamp and 74‑bit random component, shows Java generation and SQL storage examples, and addresses performance benefits and common questions.
B+Tree indexingJavaUUIDv7
0 likes · 8 min read