PostgreSQL vs. SQL Server: Security Model Differences | POSETTE: An Event for Postgres 2026
PostgreSQL and SQL Server differ fundamentally in their security models, especially around roles, ownership, and privileges.
“Every login, every user, every group that we know in SQL Server, everything is a role in Postgres.”
A conference talk by Taiob Ali at POSETTE 2026 compares PostgreSQL and SQL Server security models for DBAs transitioning between the platforms, covering roles, object ownership, inheritance, and default privileges. It is a useful technical primer but contains no meaningful AI industry signal beyond a passing mention of agents gaining identities in Microsoft Entra.