## 36.22. `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 36.20. `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