Identify three uses of the CROSSCHECK command (Choose three.)

Identify three uses of the CROSSCHECK command (Choose three.)
A. to validate the database backup
B. to synchronize logical backup records with physical files in backup storage
C. to check the obsolete backups that can be deleted from the file system
D. to update information about backups that are deleted, corrupted, or inaccessible in a recovery catalog or control file
E. to update the recovery catalog or control file if archived log files are deleted with operating system commands

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