YouaremaintainingyourdatabaseinOracle10g.Youwanttostoretheinformationaboutthebackupofthedatabaseinthecontrolfile.Youissuethefollowingstatement：SQL>ALTERSYSTEMSETCONTROL_FILE_RECORD_KEEP_TIME=400；Whatistheoutcomeofthisstatement？（）A.Thestatementwillnotexecu
题目
YouaremaintainingyourdatabaseinOracle10g.Youwanttostoretheinformationaboutthebackupofthedatabaseinthecontrolfile.Youissuethefollowingstatement：SQL>ALTERSYSTEMSETCONTROL_FILE_RECORD_KEEP_TIME=400；Whatistheoutcomeofthisstatement？（）
A.Thestatementwillnotexecutesuccessfully.
B.Thestatementwillexecutesuccessfully，andthebackupsmetadatawillbemaintainedinthecontrolfilefor400days
C.Thestatementwillexecutesuccessfully，andthebackupsmetadatawillbemaintainedintherecoverycatalogfor400days.
D.Backupswillbedeletedfromthemediaafter400days.