Mega Code Archive
ADD_MONTHS(x, y) gets the result of adding y months to x
If y is negative, y months are subtracted from x.
The following example adds 13 months to January 1, 2005:
SQL> SELECT ADD_MONTHS('01-JAN-2005', 13)
2 FROM dual;
ADD_MONTH
---------
01-FEB-06
SQL>