1.天數
select Maturity,'2007/10/16' curdate,(TO_DATE('2007/10/16','YYYY/MM/DD') -TO_DATE(Maturity,'YYYY/MM/DD')) from business_duebill where Maturity<'2007/10/16';
2.月數
SELECT MONTHS_BETWEEN('20-JAN-07','13-MAY-07') FROM DUAL
1.天數
select Maturity,'2007/10/16' curdate,(TO_DATE('2007/10/16','YYYY/MM/DD') -TO_DATE(Maturity,'YYYY/MM/DD')) from business_duebill where Maturity<'2007/10/16';
2.月數
SELECT MONTHS_BETWEEN('20-JAN-07','13-MAY-07') FROM DUAL