Examine the commands executed to monitor database operations: $> conn sys oracle/oracle@prod as sysdba SQL > VAR eid NUMBER SQL > EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION (‘batch_job’ , FORCED_TRACKING => ‘Y’); Which two statements are true?（）

ADatabase operations will be monitored only when they consume a significant amount of resource.

BDatabase operations for all sessions will be monitored.

CDatabase operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + tuning.

DOnly DML and DDL statements will be monitored for the session.

EAll subsequent statements in the session will be treated as one database operation and will be monitored.