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Q&A for professional mathematicians

SELECT 
---https://stackoverflow.com/questions/1267126/get-the-week-start-date-and-week-end-date-from-week-number
  DATEADD(dd, -(DATEPART(dw, CreationDate)-1), CAST(CreationDate AS Date)) [WeekStart],
  COUNT(p.Id) AS [Total Posts],
  SUM(case when p.PostTypeId = 1 then 1 else 0 end) AS [Total Questions],
  SUM(case when p.PostTypeId = 2 then 1 else 0 end) AS [Total Answers]
FROM PostsWithDeleted p
WHERE (p.CreationDate >= '##Date1?2021-01-01##') AND (p.CreationDate <= '##Date2?2023-01-01##')
GROUP BY DATEADD(dd, -(DATEPART(dw, CreationDate)-1), CAST(CreationDate AS Date))
ORDER BY DATEADD(dd, -(DATEPART(dw, CreationDate)-1), CAST(CreationDate AS Date))

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edited mar 10 22

created mar 10 22 Martin20528