单项选择题
A.The database crashes.
B.The DBA needs to re-create the file.
C.The file gets re-created automatically.
D.The file gets restored automatically from the last backup.
E.The DBA needs to perform a complete database recovery.
F.The DBA needs to perform an incomplete database recovery.
单项选择题 Becauseofapoweroutage，instancefailurehasoccurred.Fromwhatpointintheredologdoesrecoverybeginandwheredoesitend？（）
单项选择题 Itisaholidayandnotransactionsarebeingperformedonthedatabase.YoutookaconsistentbackupofyourdatabasewithoutusingRecoveryManager（RMAN）.HowwouldyoumakeuseofthisconsistentbackupinRMAN？（）
单项选择题 Oneoftheredologmembersinyourdatabaseislost.YouqueriedV$logfileforfurtherdetails.Whatwouldbethemember’sstatus？（）