Query Run
use arwiki_p; select sum(rev_len)/(select count(distinct page_title) from... 1 year ago
use arwiki_p; select sum(rev_len)/(select count(distinct page_title) from... 1 year ago
use arwiki_p; select sum(rev_len)/(select count(distinct page_title) from... 1 year ago
use arwiki_p; select sum(rev_len)/(select count(distinct page_title) from... 1 year ago