Query to get Parent and Child Accounts in Oracle APPS R12

SELECT ffv1.flex_value parent_account

      ,ffvt1.description parent_account_desc

  ,ffv2.flex_value child_account

  ,ffvt2.description child_account_desc

  FROM fnd_flex_values_tl ffvt2

      ,fnd_flex_values ffv2

      ,fnd_flex_value_hierarchies ffvh

      ,fnd_flex_values_tl ffvt1

      ,fnd_flex_values ffv1

      ,fnd_id_flex_segments fifs

 WHERE fifs.application_id = 101

   AND fifs.id_flex_code = 'GL#'

   AND fifs.id_flex_num = 101

   AND fifs.application_column_name = 'SEGMENT4'

   AND fifs.enabled_flag = 'Y'

   AND ffv1.enabled_flag = 'Y'

   AND ffv1.summary_flag = 'Y'

   AND ffv1.flex_value != 'T'

   AND ffv1.flex_value_set_id = fifs.flex_value_set_id + 0

   AND NVL (TO_CHAR (ffv1.start_date_active, 'YYYY/MM/DD'), '0000/00/00') <= TO_CHAR (SYSDATE, 'YYYY/MM/DD')

   AND NVL (TO_CHAR (ffv1.end_date_active, 'YYYY/MM/DD'), '9999/99/99') >= TO_CHAR (SYSDATE, 'YYYY/MM/DD')

   AND ffvt1.flex_value_id = ffv1.flex_value_id + 0

   AND ffvt1.language = USERENV ('LANG')

   AND ffvh.flex_value_set_id = fifs.flex_value_set_id + 0

   AND ffvh.parent_flex_value = ffv1.flex_value

   AND ffv2.summary_flag = 'N'

   AND NVL (TO_CHAR (ffv2.start_date_active, 'YYYY/MM/DD'), '0000/00/00') <= TO_CHAR (SYSDATE, 'YYYY/MM/DD')

   AND NVL (TO_CHAR (ffv2.end_date_active, 'YYYY/MM/DD'), '9999/99/99') >= TO_CHAR (SYSDATE, 'YYYY/MM/DD')

   AND ffv2.flex_value_set_id + 0 = fifs.flex_value_set_id + 0

   AND ffv2.flex_value BETWEEN ffvh.child_flex_value_low AND ffvh.child_flex_value_high

   AND ffv2.enabled_flag = 'Y'

   AND ffvt2.flex_value_id = ffv2.flex_value_id + 0

   AND ffvt2.language = USERENV ('LANG')

ORDER BY ffv1.flex_value, ffv2.flex_value