Hello i want to select from database looks like this (id, nickname)
id is unique and nickname can be input many times, i select rows from base something like this
select from my_table order by id desc limit 0,20
start of limit changing by the page.
But now i want to change row select. I want to select 20 rows but with condition that withdraw only 4 rows for one nick per page (per 20 rows).
I don't understand how can i make it.