sys.column_type_usages (Transact-SQL)

Contains one row for each column that is of user-defined type.

Column name	Data type	Description
object_id	int	ID of the object to which this column belongs.
column_id	int	ID of the column. Is unique within the object.
user_type_id	int	ID of the user-defined type. To return the name of the type, join to the sys.types catalog view on this column.

object_id

int

ID of the object to which this column belongs.

column_id

int

ID of the column. Is unique within the object.

user_type_id

int

ID of the user-defined type.

To return the name of the type, join to the sys.types catalog view on this column.

Permissions

Requires membership in the public role. For more information, see Metadata Visibility Configuration.