UPDATE 12.07.2022: The “exclusive backup” method of calling pg_start_backup(‘label’) before backup and pg_stop_backup() afterwards has been removed in PostgreSQL v15. This article describes the problems with the old method and discusses the options for those who still use this backup method. I include scripts below to help you. The “exclusive” backup method Before pg_basebackup was […]

By Kaarel Moppel – Compare MySQL and PostgreSQL – First off – I’m not trying to kindle any flame wars here, just trying to broaden my (your) horizons a bit, gather some ideas (maybe I’m missing out on something cool, it’s the most used Open Source RDBMS after all) and to somewhat compare the two […]

Over the years many people have asked for “timetravel” or “AS OF”-queries in PostgreSQL. Oracle has provided this kind of functionality for quite some time already. However, in the PostgreSQL world “AS OF timestamp” is not directly available. The question now is: How can we implement this vital functionality in user land and mimic Oracle […]