Q&A for professional and enthusiast programmers
select top 10 dateadd(hour, datediff(hour, 0, dateadd(hour, 0, p.creationdate)), 0), u.location--, count(u.location) from posts p inner join users u on (u.id = p.owneruserid) where p.PostTypeId = 2 -- answer and p.creationdate >= '2013-04-04' and p.creationdate <= '2013-04-04' --group by dateadd(hour, datediff(hour, 0, dateadd(mi, 30, p.creationdate)), 0), location --u.websiteurl, u.location, u.aboutme,