当前时间:sysdate:2010-2-21
SQL> Select add_months(sysdate,2) from dual;
ADD_MONTHS(SYSDATE,2)
---------------------
2010-4-21 14:30:04
当前时间:sysdate:2010-2-21
SQL> Select add_months(sysdate,2) from dual;
ADD_MONTHS(SYSDATE,2)
---------------------
2010-4-21 14:30:04