单项选择题
Which view provides information on the backup status of the datafiles in the database?（）
A.V$BACKUP B.V$BACKUP_STATUS C.V$BACKUP_DATAFILE D.V$DATAFILE_BACKUP E.V$TABLESPCE_BACKUP
单项选择题 WhichofthefollowingparametersdefinesthelocationwhereOracleshouldcreatearchivedredologs?（）
单项选择题 WhichofthefollowingisavalidwayofputtingatablespacenamedDAVE_TBSintohotbackupmode?（）
单项选择题 Whichcommandwillresultinatracefilebeingcreatedwiththecreatecontrolfilecommandcontainedinit?（）
