“Счет и дополнение к SQL” Ответ

Счет и дополнение к SQL

select [Date],sum([Count]) over(order by [Date]) 
from (SELECT CONVERT(date, u.CreateDate) as [Date], Count(UserId) as [Count] 
      FROM User as u
      GROUP BY CONVERT(date, u.CreateDate)
      ) x
order by 1