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Q&A for professionals, academics, and students working within the systems development life cycle

select dateadd(week, datediff(week, 0, creationdate), 0),
sum(case when posthistorytypeid = 1 then 1 else 0 end) as [asked],
sum(case when posthistorytypeid = 10 then 1 else 0 end) as [closed],
sum(case when posthistorytypeid = 11 then 1 else 0 end) as [reopened],
sum(case when posthistorytypeid = 12 then 1 else 0 end) as [deleted],
sum(case when posthistorytypeid = 13 then 1 else 0 end) as [undeleted],
sum(case when posthistorytypeid = 17 then 1 else 0 end) as [migrated]
from posthistory
where creationdate >= '1/1/2010'
group by dateadd(week, datediff(week, 0, creationdate), 0)
order by dateadd(week, datediff(week, 0, creationdate), 0)

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edited may 24 12

created apr 9 12 anonymous