위치를 시각화 해주는 쿼리 WITH T(MENU_NM, SEQ1, SEQ2) AS ( SELECT '상1' , 1, 0 FROM DUAL UNION ALL SELECT '상1중1' , 2, 1 FROM DUAL UNION ALL SELECT '상1중2' , 3, 1 FROM DUAL UNION ALL SELECT '상2중1' , 9, 7 FROM DUAL UNION ALL SELECT '상1중1하1' , 4, 2 FROM DUAL UNION ALL SELECT '상1중1하2' , 5, 2 FROM DUAL UNION ALL SELECT '상1중2하1' , 6, 3 FROM DUAL UNION ALL SELECT '상1중1하1밑1' , 8, 4 FROM DUAL UNION ALL SELECT '상2' , ..