41.21. pg_namespace

The catalog pg_namespace stores namespaces. A namespace is the structure underlying SQL schemas: each namespace can have a separate collection of relations, types, etc. without name conflicts.

Table 41-21. pg_namespace Columns

NameTypeReferencesDescription
nspnamename Name of the namespace
nspownerint4pg_shadow.usesysidOwner of the namespace
nsptablespaceoidpg_tablespace.oid The default tablespace in which to place relations created in this namespace. If zero, the database's default tablespace is implied. (Changing this does not affect pre-existing relations.)
nspaclaclitem[] Access privileges