TheDatabaseResourceManagerisnotcurrentlyactiveinyourdatabasethatisupandrunning.YoucreatedaresourceplannamedDAY_PLANthatcontainstwosub-plansnamedMANAGERS_PLANandCLERKS_PLAN.YoudecidedtoactivateDAY_PLANbyexecutingthefollowingstatement：SQL>ALTERSYSTEMSETRESO

TheDatabaseResourceManagerisnotcurrentlyactiveinyourdatabasethatisupandrunning.YoucreatedaresourceplannamedDAY_PLANthatcontainstwosub-plansnamedMANAGERS_PLANandCLERKS_PLAN.YoudecidedtoactivateDAY_PLANbyexecutingthefollowingstatement：SQL>ALTERSYSTEMSETRESOURCE_MANAGER_PLAN=’managers_plan’；Whatwillbetheoutcomeofthisstatement？（）

A.ThestatementwilldeactivateDAY_PLAN.

B.ThestatementwillactivateDAY_PLANasthetopplan.

C.ThestatementwillactivateMANAGERS_PLANasthetopplan.

D.ThestatementwillreturnanerrorbecauseMANAGERS_PLANisnotthetopplan.