# 30.6. column_domain_usage

## 30.6. `column_domain_usage`

The view `column_domain_usage` identifies all columns (of a table or a view) that make use of some domain defined in the current database and owned by the current user.

Table 30.4. `column_domain_usage` Columns

Name | Data Type | Description
--- | --- | ---
`domain_catalog` | `sql_identifier` | Name of the database containing the domain (always the current database)
`domain_schema` | `sql_identifier` | Name of the schema containing the domain
`domain_name` | `sql_identifier` | Name of the domain
`table_catalog` | `sql_identifier` | Name of the database containing the table (always the current database)
`table_schema` | `sql_identifier` | Name of the schema containing the table
`table_name` | `sql_identifier` | Name of the table
`column_name` | `sql_identifier` | Name of the column