Kellyn Gorman continues a series on learning PostgreSQL for Oracle DBAs:
In the previous post, I covered some high-level areas around installation and architecture, but for this post, we’re going to go a little deeper. For the seasoned Oracle DBA, this should feel like we’re stepping into a familiar landscape with just a few different rules. While both PostgreSQL and Oracle Database are robust, feature-rich systems, their physical architecture and internal mechanics diverge in key areas, especially around storage structures, memory architecture, and background processing.
In this post, we’ll break down these differences so Oracle DBAs can feel more comfortable with the shift when they transition between the two.
Click through to see how the two differ.