Youobservethatdatabaseperformancehasdegradedoveraperiodoftime.Whileinvestigatingthereason，youfindthatthesizeofthedatabasebuffercacheisnotlargeenoughtocachealltheneededdatablocks.Whichadvisorycomponentwouldyoureferto，inordertodeterminetherequiredsizeofthed
题目
Youobservethatdatabaseperformancehasdegradedoveraperiodoftime.Whileinvestigatingthereason，youfindthatthesizeofthedatabasebuffercacheisnotlargeenoughtocachealltheneededdatablocks.Whichadvisorycomponentwouldyoureferto，inordertodeterminetherequiredsizeofthedatabasebuffercache？（）
A.MemoryAdvisor
B.SegmentAdvisor
C.SQLTuningAdvisor
D.SQLAccessAdvisor
E.AutomaticDatabaseDiagnosticMonitor（ADDM）