Questions per day over time

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Server Fault

Q&A for system and network administrators

declare @start datetime = (
select top 1 dateadd(day, datediff(day, getdate(), CreationDate), getdate())
from Posts
group by datediff(day, getdate(), CreationDate)
having count(*) >= ##threshold?10##
order by datediff(day, getdate(), CreationDate)
);

declare @stop datetime = (
select top 1 dateadd(day, datediff(day, getdate(), CreationDate), getdate())
from Posts
group by datediff(day, getdate(), CreationDate)
having count(*) >= ##threshold##
order by datediff(day, getdate(), CreationDate) desc
);

select dateadd(week, datediff(week, @start, CreationDate), @start),
       count(*)/7.0 QpD
from Posts
where CreationDate between @start and @stop
      and PostTypeId = 1
group by datediff(week, @start, CreationDate)
order by datediff(week, @start, CreationDate)

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