On June 5 2026, the PostgreSQL User Group Greece met, organized by Eftychia Kitsou and Charis Charalampidi. Speaker: George Capnias Kostas Maistrelis PGDay Boston happened on June 9 2026 Organized by: Tom Kincaid Aaryan Sonwane Pat Wright…

Recently, I looked into how common polymorphic associations actually are in relational databases — a performance-hostile pattern built around a discriminated foreign key that ORMs (Rails, Django, Hibernate), CRM platforms (Salesforce), and…

AWS recently introduced Amazon Cognito multi-region replication, which automatically replicates user identities and user pool configurations from a primary region to a secondary one. This enables applications to continue authenticating…
Parallel queries in PostgreSQL need shared memory sized at runtime, not startup.