# 37.22. 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 37.20. domain_udt_usage
Columns
Column Type Description |
---|
udt_catalog sql_identifier Name of the database that the domain data type is defined in (always the current database) |
udt_schema sql_identifier Name of the schema that the domain data type is defined in |
udt_name sql_identifier Name of the domain data type |
domain_catalog sql_identifier Name of the database that contains the domain (always the current database) |
domain_schema sql_identifier Name of the schema that contains the domain |
domain_name sql_identifier Name of the domain |