单项选择题
A. The backup metadata will be maintained in the control file for 100 days.
B. The backup metadata will be maintained in the recovery catalog for 100 days.
C. The backup metadata will be maintained in the flash recovery area for 100 days.
D. After 100 days， the backup sets and image copies will be deleted from the media.
单项选择题 You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement： SQL>ALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400； What is the outcome of this statement？ （）
单项选择题 YouaremaintainingyourdatabaseinOracle10g.Youarenotusingtherecoverycatalogtomaintainthebackupinformationofyourdatabase.WhichfilecanbeusedasarepositorytostoreinformationregardingtheRMANbackup？（）
多项选择题 IdentifyfourusesoftheOracleScheduler.（）