This solution will give you the month name as a column of your resultset, followed by the total as required.
SELECT MONTHNAME(o_date), SUM(total)
FROM theTable
GROUP BY YEAR(o_date), MONTH(o_date)
This solution will give you the month name as a column of your resultset, followed by the total as required.
SELECT MONTHNAME(o_date), SUM(total)
FROM theTable
GROUP BY YEAR(o_date), MONTH(o_date)