Yourdatabaseinstanceisfunctionalforthepastonemonth.TheAutomaticWorkloadRepositor
Yourdatabaseinstanceisfunctionalforthepastonemonth.TheAutomaticWorkloadRepository(AWR)snapshotretentionissetto7andtheSTATISTICS_LEVELinitializationparameterissettoTYPICAL.Youreceiveacomplaintaboutthepoorperformanceofthedatabasebetween7PMand9PMofthepreviousday.Choosetwoactionsanyofwhichcanbereferredtofirsttodiagnosetheproblem.()
A.UsetheActiveSessionHistoryreport.
B.UsetheAWRComparePeriodsreport.
C.UseanADDManalysisbetween7PMand9PMofthepreviousday.
D.UsetheAWRComparePeriodreportbetween7PMand9PMofthepreviousday.
正确答案:参考B, C
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