| Table Name | Description |
| ALL_CONTEXT | Description of all active context namespaces under the current session |
| Column ID | Column name | Data type | Length | Precision | NULL | Description |
| 1 | NAMESPACE | VARCHAR2 | 30 | (null) | N | Namespace of the active context |
| 2 | SCHEMA | VARCHAR2 | 30 | (null) | N | Schema of the designated package |
| 3 | PACKAGE | VARCHAR2 | 30 | (null) | N | Name of the designated package |