Std. Oracle Date function is
to_char(sysdate,'DD-MON-YY') = (02-FEB-98)
to_char(sysdate,'DDMMYY') = (020298)
It is easy to create a function that is called with just "CallDate"
In Oracle functions can't be called with "()" without something inside, this
call will work CallDate(020298)
Hope it helps