Query Run
use ruwiki_p; select substring(rev_timestamp, 1, 6) date_, count(*) c from... 3 years ago
use ruwiki_p; select substring(rev_timestamp, 1, 6) date_, count(*) c from... 4 years ago
use ruwiki_p; select substring(rev_timestamp, 1, 6) date_, count(*) c from... 4 years ago
use ruwiki_p; select substring(rev_timestamp, 1, 6) date_, count(*) c from... 4 years ago
use ruwiki_p; select substring(rev_timestamp, 1, 6) date_, count(*) c from... 4 years ago
use ruwiki_p; select substring(rev_timestamp, 1, 6) date_, count(*) c from... 4 years ago