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單項(xiàng)選擇題

You find that some queries on a table are taking a long time to execute because there are no indexes created on the table. You decide to invoke the SQL Access Advisor to determine the appropriate index to be created. Which package will you use to invoke the SQL Access Advisor?() 

A.DBMS_SERVER_ALERT
B.DBMS_ADVISOR
C.DBMS_RESOURCE_MANAGER
D.DBMS_REPAIR

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