单项选择题
A. the datafiles associated with the SYSTEM tablespace
B. the datafiles associated to the DATA1 tablespace
C. the datafiles associated to the SYSTEM and DATA1 tablespaces
D. all the datafiles in the database
单项选择题 YouaremaintainingyourdatabaseinOracle10g.OnTuesdayat8：00A.M.，whilestartingthedatabase，youdiscoverthatallthecontrolfilesaremissing.ThebackupofthefulldatabasewasperformedonSundayat6：00P.M.Whichtypeofrecoverywillyouperform？（）
单项选择题 You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement： SQL>ALTER DATABASE OPEN RESETLOGS； Which of the following options is true about using the RESETLOGS option？（）
多项选择题 YouaremaintainingyourdatabaseinOracle10g.Youperformafulluser-managedbackupeverySundayat8：00P.M.YourdatabaseisrunninginARCHIVELOGmode.OnMonday，at9：00A.M.，atablespaceisdropped.Youdecidetoperformincompleterecoverytorecoverthedroppedtablespace.WhichtwoclausescanyouusewiththeRECOVERcommand？（）