select to_char(months_between('2005-02-28','2005-01-28'),'999') from dual;
;
select to_char(months_between('2005-02-28','2005-01-29'),'999') from dual;
select to_char(months_between('2005-02-28','2005-01-30'),'999') from dual;
select to_char(months_between('2005-02-28','2005-01-31'),'999') from dual;
;
질문좀 자세히 해주세요..