SELECT billing_country ,  SUM(total) FROM invoices GROUP BY billing_country ORDER BY SUM(total) DESC LIMIT 8;
A list of the top 8 countries by gross/total invoice size. List country name and gross invoice size.
SELECT billing_country , SUM ( total ) FROM invoices GROUP BY billing_country ORDER BY SUM ( total ) DESC LIMIT 8 ;
select billing_country , sum ( total ) from invoices group by billing_country order by sum ( total ) desc limit value
A list of the top 8 countries by gross/total invoice size . List country name and gross invoice size .