SELECT MONTHNAME('2020-09-30');
SELECT MONTHNAME(CURDATE());
SELECT MONTHNAME(NOW());
SELECT MONTHNAME(CURDATE()-INTERVAL 1 MONTH);
SELECT MONTHNAME(CURDATE()+INTERVAL 1 MONTH);
SELECT MONTHNAME(CURDATE()-INTERVAL 2 MONTH) as last_month,
MONTHNAME(CURDATE()) as this_month,
MONTHNAME(CURDATE()+INTERVAL 1 MONTH) as next_month;