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Number of new users per week.

Q&A for active researchers, academics and students of physics

with Weekly as (
    select dateadd(dd, 1 - datepart(dw, CreationDate), cast(CreationDate as Date)) as Week,
           count (*) WeekCount
    from Users
    group by dateadd(dd, 1 - datepart(dw, CreationDate), cast(CreationDate as Date))
)
select Week,
       WeekCount
       --, sum(WeekCount) over (order by Week rows 10000 preceding) as Cumulative
from Weekly
order by Week

fork query

edited nov 10 14 Niall

created sep 17 14 rolfl