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.
|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|