3.3.3.조인 순서 조정을 위한 힌트

ORDERED

예) SELECT /*+ ORDERED */ ...
     FROM TAB1, TAB2, TAB3
     WHERE ....   
     
     
           
예) SELECT /*+ ORDERED USE_NL(A B C) */.........
    FROM TAB1 a, TAB2 b, TAB3 c
    WHERE ........
    

LEADING

예) SELECT /*+ LEADING(b c) */......
     FROM CUST a, ORDER_DETAIL b, ITEM c
     WHERE a.cust_no = b.cust_no
   AND b.item_no = c.item_no
   AND ....
참조한문서

“오라클클럽” http://wiki.oracleclub.com/pages/viewpage.action?pageId=1966257&