domain_udt_usage #
   The view domain_udt_usage identifies all domains
   that are based on data types owned by a currently enabled role.
   Note that in PostgreSQL, built-in data
   types behave like user-defined types, so they are included here as
   well.
  
Table 35.20. domain_udt_usage Columns
Column Type Description  | 
|---|
        Name of the database that the domain data type is defined in (always the current database)  | 
        Name of the schema that the domain data type is defined in  | 
        Name of the domain data type  | 
        Name of the database that contains the domain (always the current database)  | 
        Name of the schema that contains the domain  | 
        Name of the domain  |