Severalnines Blog
The automation and management blog for open source databases

Severalnines blog

Filter by:
Clear
Apply (1) filters
1 blog post in 12 categories

Understanding And Reading the PostgreSQL System Catalog

The PostgreSQL System Catalog is a schema with tables and views that contain metadata about all the other objects inside the database and more. With it, we can discover when various operations happen, how tables or indexes are accessed, and even whether or not the database system is reading information from memory or needing to fetch data from disk.