SELECT MONTHS_BETWEEN TO_DATE('02-01-1995','MM-DD-YYYY'),TO_DATE('01-01-1995','MM-DD-YYYY') ) FROM DUAL;
Reveal answer
Fill a bubble to check yourself
SELECT MONTHS_BETWEEN TO_DATE('02-01-1995','MM-DD-YYYY'),TO_DATE('01-01-1995','MM-DD-YYYY') ) FROM DUAL;