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