单项选择题
单项选择题 Youaremaintainingadatabaseofcreditcardtransactions.YouwantthedatatobereturnedautomaticallyinthechronologicalorderofthecreditcardnumberswithoutusingtheORDERBYclauseinthequery.Whichtypeofclusterwillyouusetoobtainthedesiredresult？（）A.HashclusterB.IndexclusterC.SortedhashclusterD.RealApplicationcluster
单项选择题 YouworkasadatabaseadministratorforSupportcenter.cn.Youhavebeenaskedtouseacentralizedadministrativetooltoadministeryourdatabaseserversandapplicationservers.Inordertoachievetheobjective，whichcomponentwouldyouconfigureoneachdatabaseserver？（）A.DatabaseControlB.ManagementServerC.ManagementRepositoryD.ApplicationServerControlE.OracleManagementAgent
单项选择题 YouaremaintainingyourdatabaseinOracle10g.YouhavesetthevalueoftheSTATISTICS_LEVELinitializationparametertoTYPICALandthevalueoftheFAST_START_MTTR_TARGETparameterto900seconds.Toincreasetheperformanceofthedatabase，youwanttodeterminetheoptimalsizeoftheonlineredologfiles.Whichtoolenablesyoutodeterminetheoptimalsizeoftheonlineredologfiles？（）A.OracleEnterpriseManagerB.TheV$LOGviewC.TheV$LOGFILEviewD.TheV$FLASHBACK_DATABASE_LOGSview