mysql获取当月的倒数第二天

获取当月日期：SELECT CURDATE();

获取当月最后一天：SELECT LAST_DAY(CURDAY());

获取当月倒数第二天：SELECT DATE_ADD(LAST_DAY(CURDAY()),INTERVAL -2 DAY);

获取当月倒数第三天：SELECT DATE_ADD(LAST_DAY(CURDAY()),INTERVAL -3 DAY);