单项选择题
A. The statement will not execute successfully.
B. The statement will execute successfully， and the backups metadata will be maintained in the control file for 400 days
C. The statement will execute successfully， and the backups metadata will be maintained in the recovery catalog for 400 days.
D. Backups will be deleted from the media after 400 days.
单项选择题 YouaremaintainingyourdatabaseinOracle10g.Youarenotusingtherecoverycatalogtomaintainthebackupinformationofyourdatabase.WhichfilecanbeusedasarepositorytostoreinformationregardingtheRMANbackup？（）
多项选择题 IdentifyfourusesoftheOracleScheduler.（）
多项选择题 You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS； Under which conditions would this command execute successfully？ （）