单项选择题
A.Information about each Oracle Net connection.
B.Information about each entry in theLinstener.orafile
C.Information about the changed done in the database
D.Information about the different listeners in your system
E.Information about all thenondatabasefiles required to operate the database
单项选择题 YouworkasadatabaseadministratorforCertkiller.com.IntheCertkillerPRODUCTIONdatabaseyouhavegrantedRESUMABLEsystemprivilegetotheCONNECTrole.Resumablespaceoperationhasbeenenabledforallusersession.YouwantusersNOTtobeawareofanykindofspace-relatedproblemswhileperformingtransactions.Instead，youwanttheproblemtoberesolvedbyadatabasetriggerautomatically.Whichcombinationoftriggeringtimeandeventwouldyouusetoachievethisobjective？（）
单项选择题 YouworkasadatabaseadministratorforCertkiller.com.YouwanttobenotifiedwhenthenumberofdiskI/Oincreasesby10%ofwhatitwasyesterday.Youcreateabaselinemetricforyesterday’sdiskI/Operformance.Howdoyouusethebaselinemetricstoachieveyourobjective？（）
多项选择题 YouworkasadatabaseadministratorforCertkiller.com.Inyourtransactionapplication，youhavescheduledajobtoupdatetheoptimizerstatisticsat05：00pmeveryFriday.Thejobhassuccessfullycompleted.Whichthreepiecesofinformationwouldyouchecktoconfirmthatthestatisticshavebeencollected？（）