| Table Name | Description |
| ALL_BASE_TABLE_MVIEWS | All materialized views with log(s) in the database that the user can see |
| Column ID | Column name | Data type | Length | Precision | NULL | Description |
| 1 | OWNER | VARCHAR2 | 30 | (null) | N | Owner of the master table which changes are logged |
| 2 | MASTER | VARCHAR2 | 30 | (null) | N | Name of the master table which changes are logged |
| 3 | MVIEW_LAST_REFRESH_TIME | DATE | 7 | (null) | N | One date per materialized view -- the date the materialized view was last refreshed |
| 4 | MVIEW_ID | NUMBER | 22 | 38 | Y | Unique identifier of the materialized view |