pg_namespace

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

columntypereferencesdescription
oidoid Row identifier (hidden attribute; must be explicitly selected)
nspnamename Name of the namespace
nspowneroidpg_authid.oidOwner of the namespace
nspaclaclitem[] Access privileges as given by GRANT and REVOKE