The operator needs to execute a long-running shell script. How can the script be executed so the operator does not have to wait until it is complete to access the command prompt?（）
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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?（）
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