3-4-2. 인덱스 스캔 3단계

-- [SQL-3-4-2-a] SELECT t1.* FROM startdbpg.tr_ord_big t1 WHERE t1.ord_no BETWEEN 10 AND 19;

-- [SQL-3-4-2-4-a] EXPLAIN (ANALYZE,COSTS OFF) SELECT t1.* FROM startdbpg.tr_ord_big t1 WHERE t1.ord_no BETWEEN 10 AND 19

-- [SQL-3-4-2-4-b]: Oracle의 실행계획 SELECT t1.* FROM startdbora.tr_ord_big t1 WHERE t1.ord_no BETWEEN 10 AND 19;