The catalog pg_am stores information about relation access methods. There is one row for each access method supported by the system. Currently

The view pg_stats provides access to the information stored in the

NameALTER USER -- change a database role Synopsis

Namepostgres -- PostgreSQL database server Synopsis

NameDROP DOMAIN -- remove a domain Synopsis

The lo module provides support for managing Large Objects (also called LOs or BLOBs). This includes a data type lo and

NameEXECUTE -- execute a prepared statement Synopsis

sepgsql is a loadable module that supports label-based mandatory access control (MAC) based on SELinux security

The catalog pg_foreign_server stores foreign server definitions. A foreign server describes a source of external data, such as a remote server

Namepg_archivecleanup -- clean up PostgreSQL WAL archive files