单选题
发布日期:2020-04-10
Create a backup of the database and recover all corrupted blocks found in the backup.
Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.
Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.
Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.
Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.
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