5.270 DBA_REGISTRY_HISTORY
DBA_REGISTRY_HISTORY provides information about upgrades, downgrades, and critical patch updates that have been performed on the database.
               
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| 
 | 
 | 
 | The time the upgrade, downgrade, or patch action was completed | 
| 
 | 
 | 
 | The specific action (for example, UPGRADE or DOWNGRADE) | 
| 
 | 
 | 
 | The namespace of the components affected (for example, SERVER) | 
| 
 | 
 | 
 | The version number of the server (for example, 10.2.0.1.0) | 
| 
 | 
 | 
 | Bundle ID | 
| 
 | 
 | 
 | Additional comments about the action taken |