Q&A for professional and enthusiast programmers
select Users.DisplayName,sum(Posts.PostTypeid) as "No. of questions" from Users join Posts on Users.id = Posts.OwnerUserId join Votes on Posts.id = Votes.PostId where Votes.creationdate between '2011-03-20' and '2011-03-26' and Posts.PostTypeid = 1 group by Users.DisplayName order by sum(Posts.PostTypeid)