#database
Showing 2 articles
tutorials
UUID v4 vs v7 vs ULID vs Snowflake: ID Selection Guide (2026)
A practical guide to distributed ID selection: UUID v4, v7, ULID, Snowflake ID, and NanoID compared on database performance, sortability, storage size, and ecosystem support with code examples.
#uuid
#ulid
#snowflake-id
Mar 19, 2026
15 min read
tutorials
What Exactly Lives Inside a PostgreSQL timestamp Column?
A plain-English guide to how PostgreSQL stores timestamp vs timestamptz, why timezones bite, and how to choose the right type for your use case.
#postgresql
#timestamp
#timestamptz
Jul 29, 2025
6 min read