DBA_REGISTRY_HISTORY provides information about upgrades, downgrades, and critical patch updates that have been performed on the database.
| Column | Datatype | NULL | Description |
|---|---|---|---|
ACTION_TIME |
TIMESTAMP(6) |
The time the upgrade, downgrade, or patch action was completed | |
ACTION |
VARCHAR2(30) |
The specific action (for example, UPGRADE or DOWNGRADE) | |
NAMESPACE |
VARCHAR2(30) |
The namespace of the components affected (for example, SERVER) | |
VERSION |
VARCHAR2(30) |
The version number of the server (for example, 10.2.0.1.0) | |
ID |
NUMBER |
The identification number of the Critical Patch Update | |
COMMENTS |
VARCHAR2(255) |
Additional comments about the action taken |