Q&A for professional and enthusiast programmers
select top 50 -- only the top 50 users p.lasteditoruserid as [User Link] , sum(case when posttypeid = 1 then 1 -- Questions else 0 end ) as questions , sum(case when posttypeid = 2 then 1 -- Answers else 0 end ) as answers , count(*) as total -- rowcount per user from posts p where posttypeid in (1,2) -- only questions and answers (exclude wiki's) and p.lasteditoruserid is not null group by p.lasteditoruserid order by count(*) desc