mysql select sum group by date

Question

Quick question, I have the following table

+-------------+---------------------+
| total       | o_date              |
+-------------+---------------------+
         


        

Answer 1

SELECT year(FROM_UNIXTIME(created)) year, month(FROM_UNIXTIME(created)) month, sum(amount) total
FROM {my_table}
GROUP BY year, month
ORDER BY year, month;