A. It detects any configuration change that caused a performance difference in both time periods.
B. It identifies any workload change that caused a performance difference in both time periods.
C. It detects the top wait events causing performance degradation.
D. It shows the resource usage for CPU, memory, and I/O in both time periods.
E. It shows the difference in the size of memory pools in both time periods.
F. It gives information about statistics collection in both time periods.
第1题
WhichCoherencecachingpatternmatchesthesequenceofevents?()1.Dataisrequestedfromcache2.Therequesteddatadoesnotexistinthecache(cachemiss)3.TheCoherencecachestoreisusedtoreddatafromtheback-endpersistentdatasource,andplacedinthercache4.Datarequestedfromthecacheisreturnedtothecaller
A.readthrough
B.writethrough
C.refreshahead
D.writebehind
第2题
A.Itacceptsbothabuilt-inandakeynameasargument.
B.Ifnokeytriggerisdefined,thespecifiedbuilt-inexecutes.
C.Itsparametermustbespecifiedinuppercase,enclosedinsinglequotationmarks.
D.Itperformsthesametaskasifyoupressedthefunctionkeyassociatedwiththespecifiedargument.
E.Itexecutesthekeytriggerthatcorrespondstothebuilt-inspecifiedasitsparameter.
第3题
ferentmemorycomponents:
1:DescriptiveinformationormetadataaboutschemaobjectsthatarequeriedbyusingSQLstatements
2:Therun-timeareafordatamanipulationlanguage(DML)ordatadefinitionlanguage(DDL)statements
3:ResultsofSQLqueriesandPL/SQLfunctions
4:ExecutableformsofSQLcursors,PL/SQLprograms,andJavaclasses
5:Theinformationnecessarytoreconstructchangesmadetothedatabasebyatransaction
WhichofthesewillbestoredintheSharedPoolifthenecessaryconfigurationsaredone()
第4题
A.datafile
B.passwordfile
C.archivelogfile
D.temporaryfile
E.onlineredologfile
F.thecurrentcontrolfile
G.thetnsnames.orafile
H.currentserverparameterfile
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