I have a table....theres a surprise
month protocol port utime 06 tcp 21 100002 06 tcp 21 100003 05 udp 43 100232 05 udp 21 100245
what I would like to do is select by month and by protocol but within protocol limit to the top 5 by count of port.
In other words,I want the 5 most common instances of port per instance of protocol per instance of month.
is this actually possible with a single query (mysql 4.0)?
I have tried vairious combinations of group by and order by but however I do it, limit n, seems to do just that...limit the results to n rows...
LIMIT is applied after all the other stuff. It won't do what you want.
-- Paul DuBois, Senior Technical Writer Madison, Wisconsin, USA MySQL AB, www.mysql.com
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