Contains one row for each column owned by the current user in the current database that has a user-defined data type. The INFORMATION_SCHEMA.COLUMN_DOMAIN_USAGE view is based on the sysobjects, syscolumns, and systypes system tables.
To retrieve information from these views, specify the fully qualified name of INFORMATION_SCHEMA view_name.
| Column name | Data type | Description |
|---|---|---|
| DOMAIN_CATALOG | nvarchar(128) | Database in which the user-defined data type exists. |
| DOMAIN_SCHEMA | nvarchar(128) | Username that created the user-defined data type. |
| DOMAIN_NAME | sysname | User-defined data type. |
| TABLE_CATALOG | nvarchar(128) | Table qualifier. |
| TABLE_SCHEMA | nvarchar(128) | Table owner. |
| TABLE_NAME | sysname | Table in which the user-defined data type is used. |
| COLUMN_NAME | sysname | Column using the user-defined data type. |
| syscomments | systypes |
| sysobjects |