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Q&A for students, teachers, polyglots, and anyone interested in the techniques of second-language acquisition

select top 500
     u.Id as [User Link]
     , count(a.Id) as [Total Answers]  
     , cast(count(a.Id) as float)*sign(count(a.Id) - 99) / datediff(dd, u.creationdate, GETDATE()) as [Answers/Day Ratio]
from Users u
inner join Posts a 
on a.OwnerUserId = u.Id
where a.PostTypeId=2
group by u.Id, u.creationdate
order by [Answers/Day Ratio] desc

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edited jan 6 14

created jan 6 14 jon.doe12549