Query Run
select wiki_db as wiki, count(distinct rev_page) as n from ... 5 years ago
SELECT wiki_db as wiki, COUNT(DISTINCT rev_page) as n FROM ... 5 years ago
SELECT wiki_db as wiki, COUNT(DISTINCT rev_page) as n FROM ... 5 years ago
SELECT wiki_db as wiki, COUNT(DISTINCT rev_page) as n FROM ... 5 years ago