Query Run
use itwiki_p; select count(user_name) from user join actor on... 3 years ago
use itwiki_p; select * from user join actor on actor_user=user_id join... 3 years ago
use itwiki_p; select * from user order by user_id desc limit 1 3 years ago
use itwiki_p; select * from actor order by actor_id desc limit 1 3 years ago