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Forked from query #59734 by sam.saffron. How many questions per month does each tag of your choice get? Now defaults to two tags, but it's easy to add more (up to 10k?). See http://stackoverflow.com/questions/1869753/maximum-size-for-a-sql-server-query-in-clause-is-there-a-better-approach

Q&A for Ubuntu users and developers

select *, count(*) from
(
  select CAST(
      cast(DATEPART(YYYY, CreationDate) as varchar) + '-' + cast(DATEPART(MM, CreationDate) as varchar) + '-01'
    as datetime) [Month], 
    t.TagName
  from Posts p 
  join PostTags pt on pt.PostId = p.Id
  join Tags t on t.Id = pt.TagId
  where TagId in 
  (
    select top 10 Id from Tags 
    order by Count desc
  )
) as X
group by TagName, [Month]
order by [Month] asc, TagName asc

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edited jan 16 12

created jan 16 12 sam.saffron