ADD MONTHS in Arithmetic Operations on DATE in Teradata

Example:
To list all male employees currently over 50 years of age, the following statement might be entered.
SELECT name, dob
FROM employee
WHERE CURRENT_DATE > ADD_MONTHS (dob, 12*50)
AND sex = ’M’ ;

To project a date three months from the date of birth of employee Roselin, enter:
SELECT name, ADD_MONTHS (dob,3)
FROM employee
WHERE name = ’Roselin’ ;