select to_char(sysdate,'yyyy/mm/dd hh24:mi:ss') now,
to_char(sysdate + (1/24),'yyyy/mm/dd hh24:mi:ss') hour ,
to_char(sysdate + (1/1440),'yyyy/mm/dd hh24:mi:ss') minute,
to_char(sysdate + (1/86400),'yyyy/mm/dd hh24:mi:ss') second
from dual
위와 같이 하니깐 나오긴 하네요...쩝