Tag: identity columns
UUID, serial or identity columns for PostgreSQL auto-generated primary keys?
© Laurenz Albe 2021 UPDATED 14.05.2022: Sometimes customers ask me about the best choice for auto-generated primary keys. In this article, I’ll explore the options and give recommendations. Why auto-generated primary keys? Every table needs a primary key. In a relational database, it is important to be able to identify an individual table row. If […]