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Non-returning users per month as a function of reputation.

Q&A for professional robotic engineers, hobbyists, researchers and students

-- User drop-off with reputation
-- Non-returning users per month as a function of reputation.

create table #Temp (month int)
declare @counter int
set @counter = 0
while @counter <= 20
begin
  insert #Temp(month) values(@counter)
  set @counter = @counter + 1
end
select #Temp.month as [Months Since Last Seen], 
    Users.Id, Reputation
from #Temp
left outer join Users on DATEDIFF (month,LastAccessDate,GETDATE()) = #Temp.month 
order by Id

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created sep 13 10 Benjol