In an online transaction processing(OLTP) environment you find that the transaction tables get heavily fragmented during the week. You decide to defragment the transaction tables on every Friday at 9:30 p,m to gain performance. Which two new features of the Oracle 10G database could you use to automate this task?
A.
the DBMS_AQ package
B.
th DBMS_IJOB package
C.
the OS levl job automation tool
D.
the DBMS_SCHEDULER package
E.
Enterprise Manager job scheduling