Em nesta página , você encontrará a seguinte consulta que usa o PUBLIC_DEPENDENCY tabela de dicionário:
SELECT lvl
, u.object_id
, u.object_type
, LPAD (' ', lvl) || object_name obj
FROM ( SELECT LEVEL lvl, object_id
FROM SYS.public_dependency s
START WITH s.object_id =
( SELECT object_id
FROM user_objects
WHERE object_name = UPPER ('&OBJECT_NAME')
AND object_type = UPPER ('&OBJECT_TYPE'))
CONNECT BY s.object_id = PRIOR referenced_object_id
GROUP BY LEVEL, object_id) tree
, user_objects u
WHERE tree.object_id = u.object_id
ORDER BY lvl
/
