11th October 2018: PostgreSQL 11 RC 1 Released!
Supported Versions: Current (10) / 9.6 / 9.5 / 9.4 / 9.3
Development Versions: 11 / devel
Unsupported versions: 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3

52.32. 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 52.32. pg_namespace Columns

Name Type References Description
oid oid   Row identifier (hidden attribute; must be explicitly selected)
nspname name   Name of the namespace
nspowner oid pg_authid.oid Owner of the namespace
nspacl aclitem[]   Access privileges; see GRANT and REVOKE for details