50.32. 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 50.32. pg_namespace Columns
Column Type Description  | 
|---|
 Row identifier  | 
 Name of the namespace  | 
 Owner of the namespace  | 
 Access privileges; see Section 5.7 for details  |