Menghitung Selisih Hari dan Jam
select sysdate ,fu.creation_date ,round(sysdate - fu.creation_date) selisih_hari ,to_char(to_date('00:00:00','HH24:MI:SS') + (sysdate - fu.creation_date), 'HH24:MI:SS') selisih_jam from fnd_user fu