DBA_VIEW_COLUMNS v11
The DBA_VIEW_COLUMNS view provides information on all columns in the database.
| Name | Type | Description |
|---|---|---|
owner | CHARACTER VARYING | User name of the view’s owner. |
schema_name | CHARACTER VARYING | Name of the schema in which the view belongs. |
view_name | CHARACTER VARYING | Name of the view. |
column_name | CHARACTER VARYING | Name of the column. |
data_type | CHARACTER VARYING | Data type of the column. |
data_length | NUMERIC | Length of text columns. |
data_precision | NUMERIC | Precision (number of digits) for NUMBER columns. |
data_scale | NUMERIC | Scale of NUMBER columns. |
nullable | CHARACTER(1) | Whether or not the column is nullable – possible values are: Y – column is nullable; N – column does not allow null |
column_id | NUMERIC | Relative position of the column within the view. |
data_default | CHARACTER VARYING | Default value assigned to the column. |