| Table Name | Description |
| ALL_CATALOG | All tables, views, synonyms, sequences accessible to the user |
| Column ID | Column name | Data type | Length | Precision | NULL | Description |
| 1 | OWNER | VARCHAR2 | 30 | (null) | N | Owner of the object |
| 2 | TABLE_NAME | VARCHAR2 | 30 | (null) | N | Name of the object |
| 3 | TABLE_TYPE | VARCHAR2 | 11 | (null) | Y | Type of the object |