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Considerthefollowingcommand：Backupdatabaseplusarchivelogdeleteinput；Howmanybackupsetswouldbecreatedbythiscommandifthefollowingweretrue：（）Control-fileaNNutobackupswereenabled.NNThesizeofbackupsetswasnotrestricted.NNOnechannelwasallocated.

A. 1
B. 2
C. 3
D. 4
E. 5

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Thecurrenttimeis12：00noon.YouwanttorecovertheUSERStablespacefromafailurethatoccurredat11：50a.m.Youdiscoverthattheonlymemberofanunarchivedredologgroupcontaininginformationfrom11：40a.m.onwardsiscorrupt.Withreferencetothisscenario，ifyouarenotusingRecoveryManager（RMAN），whichrecoverymethodwouldyouuse？（）

A. timebasedrecovery
B. logsequencerecovery
C. cancelbasedrecovery
D. changebasedrecovery

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IfyouissuethecommandshutdownabortpriortotryingtoputthedatabaseinARCHIVELOGmode，whatwillbetheresultwhenyouissuethecommandalterdatabasearchivelog？（）

A. Thealterdatabasearchivelogcommandwillfail
B. ThealterdatabasearchiveloginconsistentcommandmustbeusedtoputthedatabaseinARCHIVELOGmode
C. Thealterdatabasearchivelogcommandwillsucceed
D. Thealterdatabasearchivelogcommandwillaskifyouwanttomakethedatabaseconsistentfirst
E. Thereisnoalterdatabasearchivelogcommand.Thecorrectcommandisalterdatabasealterlogging

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古代逻辑的发源地包括（）。

A. 古希腊
B. 中国
C. 古印度
D. 以上都对

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FromtheV$SESSION_LONGOPSview，youfindthatsomeofthedatabaseusershavelongrunningqueriesandareconsumingalotofCPUtime.Thiscausesproblemsforyouwhenyoutrytologonasthesystemuserandperformsmallmaintenancetasks.YouwouldliketoensurethatusersSYSandSYSTEMgetpriorityoverallotherusers.Whichmethodwouldyouusetoachievethisobjective？（）

A. createaplandirectiveintheSYS_GROUP
B. createthependingareafortheconsumergroup
C. activatetheprovidedSYSTEM_PLANinResourceManager
D. settheTIMED_STATISTICSparametertoTRUEintheparameterfile
E. settheexecutiontimelimitforallusers，exceptSYSandSYSTEM，intheirprofiles

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Considerthefollowingcommand：Backupdatabaseplusarchivelogdeleteinput；Howmanybackupsetswouldbecreatedbythiscommandifthefollowingweretrue：（）Control-fileaNNutobackupswereenabled.NNThesizeofbackupsetswasnotrestricted.NNOnechannelwasallocated.

A. 1 B. 2 C. 3 D. 4 E. 5

IfyouissuethecommandshutdownabortpriortotryingtoputthedatabaseinARCHIVELOGmode，whatwillbetheresultwhenyouissuethecommandalterdatabasearchivelog？（）

古代逻辑的发源地包括（）。

A. 1
B. 2
C. 3
D. 4
E. 5