DatabasesPlanet PostgreSQL
Databases
On June 23 2026, the London PostgreSQL Meetup Group met. Organized by: Valeria Kaplan Chris Ellis Alastair Turner Michael Christofides Speakers: Andreas Karlsson Alastair Turner Valeria Kaplan On June 23, 2026, the Meetup PostgreSQL Lille…
PostgreSQL 13 made hash aggregation memory-safe by allowing it to spill to disk — but that safety introduced a surprise regression for some queries on upgrade.
There is a misconception I keep running into, and it causes real harm in production. People are afraid to increase checkpoint_timeout. They think a longer timeout means a longer recovery after a crash. So they set it to 5 minutes. Some set…
Learn relational algebra by building expressions that compile to real SQL.