单项选择题
You are working on a 24x7 （available 24 hours per day， 7 days per week） production database. An operating system （OS） user deletes the alert log file accidentally. Which statement in this scenario is true？（）
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.
相关考题
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单项选择题
Becauseofapoweroutage，instancefailurehasoccurred.Fromwhatpointintheredologdoesrecoverybeginandwheredoesitend？（）
A.current redo log and inactive redo log
B.checkpoint position to end of redo log
C.beginning of redo log to end of redo log
D.all redo logs before the point of last commit
E.beginning of redo log to checkpoint position -
单项选择题
Itisaholidayandnotransactionsarebeingperformedonthedatabase.YoutookaconsistentbackupofyourdatabasewithoutusingRecoveryManager（RMAN）.HowwouldyoumakeuseofthisconsistentbackupinRMAN？（）
A.cannot be used in RMAN
B.by starting up the database again
C.by using the CATALOG command of RMAN
D.by using the RECOVER CATALOG command in RMAN
E.by re-creating the target control file to rebuild the RMAN repository -
单项选择题
Oneoftheredologmembersinyourdatabaseislost.YouqueriedV$logfileforfurtherdetails.Whatwouldbethemember’sstatus？（）
A.LOST
B.INVALID
C.EXPIRED
D.DELETED
E.CORRUPT
F.UNKNOWN
G.OBSOLETE
