The catalog pg_language registers languages in which you can write functions or stored procedures. See

The PostgreSQL type system contains a number of special-purpose entries that are collectively called pseudo-types

This section provides an overview of the page format used within PostgreSQL tables and indexes.[1] Sequences

The view pg_matviews provides access to useful information about each materialized view in the database.

NameSET CONSTRAINTS -- set constraint check timing for the current transaction

NameCREATE USER -- define a new database role Synopsis

PostgreSQL supports a powerful rule system for the specification of views and ambiguous

Namecreatedb -- create a new PostgreSQL database

19.9.1. Query and Index Statistics Collector These parameters control server-wide statistics collection features. When statistics

Error, warning, and log messages generated within the server code should be created using ereport, or its older cousin elog