InwhichsituationwouldyouusetheOracleSharedServerconfiguration?()

InwhichsituationwouldyouusetheOracleSharedServerconfiguration？（）

A、whenperformingexportandimportusingOracleDataPump

B、whenperformingbackupandrecoveryoperationsusingOracleRecoveryManager

C、whenperformingbatchprocessingandbulkloadingoperationinadatawarehouseenvironment

D、inanonlinetransactionprocessing（OLTP）systemwherelargenumberofclientsessionsareidlemostofthetime