ocp-240

QUESTION NO: 240
Why would you run the delete obsolete command? (Choose all that apply.)

A. To remove missing backup set pieces physically from disk
B. To remove metadata related to backup set pieces in the control file and the recovery catalog
C. To mark as deleted records in the control file and the recovery catalog associated with obsolete backup
sets
D. To delete backup set pieces associated with backups that are no longer needed due to retention
criteria
E. To remove old versions of RMAN backups
Answer: C,D

为什么你会运行删除过时的命令?

C.为了在关联过时的备份集控制文件和恢复目录中标记为已删除的记录，
D.为了删除与由于保留条件而不再需要的备份相关联的备份集片