हाँ आप कर सकते हैं:
select num, string, 100 * num / total as percent
from (
select count(*) as num, string
from useragent_ip
left join useragents on useragent_id = useragents.id
group by useragent_id) x
cross join (
select count(*) as total
from useragent_ip
left join useragents on useragent_id = useragents.id) y
order by num desc, string;
मैंने having num > 2
. को हटा दिया , क्योंकि इसका कोई मतलब नहीं था।