--1
SELECT user_id, user_name, user_registration FROM user INNER JOIN logging ON log_user = user_id WHERE LEFT(user_registration, 4) = 2012 AND user_id NOT IN (SELECT ipb_user FROM ipblocks) AND log_type = 'newusers' AND log_action = 'create';
--2
SELECT page_id, page_title, page_namespace, page_is_redirect FROM page;
--3
INSERT INTO u_hoo.dbq189 SELECT user_name FROM user INNER JOIN logging ON log_user = user_id WHERE LEFT(user_registration, 4) = 2012 AND user_id NOT IN (SELECT ipb_user FROM ipblocks) AND log_type = 'newusers' AND log_action = 'create';
SELECT rev_id, rev_page, rev_comment, rev_user_text, rev_user, rev_timestamp FROM revision INNER JOIN u_hoo.dbq189 ON rev_user_text = dbq189.user_name WHERE rev_deleted = 0 AND rev_user != 0;