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Continue to ChatPDBs Backup (How to identify which PDBs a backup set belong to) http://oracle-help.com/backup-and-recovery/pdbs-backup-identify-pdbs-backup-set-belong/
PDBs Backup (How to identify which PDBs a backup set belong to) http://oracle-help.com/backup-and-recovery/pdbs-backup-identify-pdbs-backup-set-belong/