ALL_UNUSED_COL_TABS describes the tables accessible to the current user that contain unused columns.
DBA_UNUSED_COL_TABS describes all tables in the database that contain unused columns.
USER_UNUSED_COL_TABS describes the tables owned by the current user that contain unused columns. This view does not display the OWNER column.
| Column | Datatype | NULL | Description |
|---|---|---|---|
OWNER |
VARCHAR2(30) |
NOT NULL |
Owner of the table |
TABLE_NAME |
VARCHAR2(30) |
NOT NULL |
Name of the table |
COUNT |
NUMBER |
Number of unused columns |
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