## 37.12. `column_column_usage`

 The view `column_column_usage` identifies all generated columns that depend on another base column in the same table. Only tables owned by a currently enabled role are included.

**Table 37.10. `column_column_usage` Columns**

|                                         Column Type<br/><br/> Description                                        |
|------------------------------------------------------------------------------------------------------------------|
|`table_catalog` `sql_identifier`<br/><br/> Name of the database containing the table (always the current database)|
|                `table_schema` `sql_identifier`<br/><br/> Name of the schema containing the table                 |
|                            `table_name` `sql_identifier`<br/><br/> Name of the table                             |
|       `column_name` `sql_identifier`<br/><br/> Name of the base column that a generated column depends on        |
|                    `dependent_column` `sql_identifier`<br/><br/> Name of the generated column                    |

