b - Quarry

SQL

/*
SELECT COUNT(*)
FROM recentchanges
JOIN actor on rc_actor = actor_id
WHERE actor_name = 'Ahmad Kanik'
AND rc_source = 'mw.edit';
*/
/*
SELECT p.page_title, pp.pp_value
FROM page p
JOIN page_props pp
ON p.page_id = pp.pp_page
WHERE p.page_is_redirect = 1
AND pp.pp_propname = 'wikibase_item';
*/
/*
SELECT
	page_title,
	COUNT(*) as cnt,
    actor_name
FROM revision
JOIN page
ON rev_page = page_id
JOIN actor
ON rev_actor = actor_id
WHERE page_namespace = 12
AND page_is_redirect = 0
GROUP BY rev_page
ORDER BY cnt
LIMIT 1000;
*/
SELECT *
FROM logging
JOIN actor
ON log_actor = actor_id
JOIN comment
ON log_comment_id = comment_id
JOIN user
ON actor_user = user_id
WHERE log_type = 'move'
LIMIT 5;
SQL

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