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A．absorbB．attractC．mobilizeD．channel

A．absorb

B．attract

C．mobilize

D．channel

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更多“A．absorbB．attractC．mobilizeD．c…”相关的问题

第1题

Inyourdatabase，theLogWriter（LGWR）processisunabletowritetoamemberofacurrentredologgroupduetoread/writefailure.Whichtwoeffectswouldyouseeinyourdatabase？（）

A.Thedatabaseinstanceaborts.

B.Thedatabaseoperationtemporarilyhaltstillthememberbecomesavailable.

C.Writingproceedsasnormal.LGWRwritestotheavailablemembersofagroupandignorestheunavailablemembers.

D.ThememberwouldbemarkedasSTALEandanerrormessagewouldbewrittentothealertlogfileandLGWRtracefile.

E.ThestatusofthegroupchangestoINACTIVEandanerrormessagewouldbewrittentothealertlogfileandLGWRtracefile.

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第2题

Inyourdatabase，UNDO_RETENTIONhasbeensetto600secandUNDOtablespaceisconfiguredforRETENTIONGUARANTEE.WhichstatementregardingRETENTIONGUARANTEEistrue？（）

A．Undodataisretaineduntilthenextfulldatabasebackup.

B．Nocommittedundodatawillbeoverwrittenfor10minutes.

C．Committedundodatawillbekeptforeverifnotoverwrittenwithin600seconds.

D．Guaranteesthatrequestedundoinformationareavailableuntiltheinstanceisshutdown.

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第3题

Inyourdatabase，allthetablespacesarelocallymanaged.YoustartedRecoveryManager（RMAN）usingrecoverycatalogandrestoredthecontrolfilebyusingthefollowingcommand：RMAN>RESTORECONTROLFILEWhichtwooperationsdoyouneedtoperformafterrestoringthecontrolfilefrombackup？（）

A．shutdownandrestarttheinstance

B．addnewtempfilestothetemporarytablespacesafterrecovery

C．performamediarecoveryandopenthedatabasewiththeRESETLOGSoption

D．performamediarecoveryandbringthedatabasetoNOARCHIVELOGmode

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第4题

Inyourdatabase，theLogWriter（LGWR）processisunabletowritetoamemberofacurrentredologgroupduetoread/writefailure.Whichtwoeffectswouldyouseeinyourdatabase？（）

A.Thedatabaseinstanceaborts.

B.Thedatabaseoperationtemporarilyhaltstillthememberbecomesavailable.

C.Writingproceedsasnormal.LGWRwritestotheavailablemembersofagroupandignorestheunavailablemembers.

D.ThememberwouldbemarkedasSTALEandanerrormessagewouldbewrittentothealertlogfileandLGWRtracefile.

E.ThestatusofthegroupchangestoINACTIVEandanerrormessagewouldbewrittentothealertlogfileandLGWRtracefile.

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第5题

Inyourdatabase，theSTATISTICS_LEVELinitializationparameterissettoBASIC.Whatistheimpactofthissetting？（）

A.Theoptimizerstatisticsarecollectedautomatically.

B.Onlythetimedoperatingsystem（OS）statisticsandplanexecutionstatisticsarecollected.

C.TheOracleserverdynamicallygeneratesthenecessarystatisticsontablesaspartofqueryoptimization.

D.ThesnapshotsfortheAutomaticWorkloadRepository（AWR）arenotgeneratedautomatically.

E.SnapshotscannotbecollectedmanuallybyusingDBMS_WORKLOAD_REPOSITORYPACKAGE.

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第6题

Inyourdatabase，theSTATISTICS_LEVELinitializationparameterissettoBASIC.Whatistheimpactofthissetting？（）

A.Theoptimizerstatisticsarecollectedautomatically.

B.Onlythetimedoperatingsystem（OS）statisticsandplanexecutionstatisticsarecollected.

C.TheOracleserverdynamicallygeneratesthenecessarystatisticsontablesaspartofqueryoptimization.

D.ThesnapshotsfortheAutomaticWorkloadRepository（AWR）arenotgeneratedautomatically.

E.SnapshotscannotbecollectedmanuallybyusingDBMS_WORKLOAD_REPOSITORYPACKAGE.

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第7题

Inyourdatabase，onlineredologfilesaremultiplexedandoneofthemembersinagroupislostduetomediafailure？Howwouldyourecoverthelostredologmember？（）

A．importthedatabasefromthelastexport

B．restoreallthemembersinthegroupfromthelastbackup

C．dropthelostmemberfromthedatabaseandthenaddanewmembertothegroup

D．restoreallthedatabasefilesfromthebackupandthenperformacompleterecovery

E．restoreallthedatabasefilesfromthebackupandthenperformanincompleterecovery

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第8题

Inyourdatabase，allthetablespacesarelocallymanaged.YoustartedRecoveryManager（RMAN）usingrecoverycatalog.Thefollowingcommandsareusedintheprocessofrecoveringthedatabasebyusingthebackupcontrolfile：Inwhatsequencewouldyouusethisprocesstoperformtherecovery？（）

A．7，2，3，1，4，6，5

B．7，1，3，2，6，5，4

C．2，1，7，6，3，5，4

D．2，7，3，5，1，6，4

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第9题

Inyourdatabase，youdiscoveredthatatempfileinalocallymanagedtemporarytablespacehasbeendeletedattheoperatingsystemlevel.Howwouldyourecoverthetablespace？（）

A．flashbackthedatabase

B．performpoint-in-timerecovery

C．performafulldatabaserecovery

D．dropandre-createthetablespace

E．useRecoveryManager（RMAN）torecoverthedatabase

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第10题

Inyourdatabase，allthetablespacesarelocallymanaged.YoustartedRecoveryManager（RMAN）usingrecoverycatalogandrestoredthecontrolfilebyusingthefollowingcommand：RMAN>RESTORECONTROLFILE；Whichtwooperationsdoyouneedtoperformafterrestoringthecontrolfilefrombackup？（）

A．shutdownandrestarttheinstance

B．addnewtempfilestothetemporarytablespacesafterrecovery

C．performamediarecoveryandopenthedatabasewiththeRESETLOGSoption

D．performamediarecoveryandbringthedatabasetoNOARCHIVELOGmode

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