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Q&A for students, teachers, polyglots, and anyone interested in the techniques of second-language acquisition

select dateadd(month, datediff(month, 0, q.CreationDate), 0) m, TagName, count(*)
from PostTags pt
join Posts q on q.Id=pt.PostId
join Tags t on t.Id=pt.TagId
where TagName in ('java','c','c++','python','c#','javascript','assembly','php','perl','ruby','visual basic','swift','r','object-c','scratch','go','swift','delphi')
and q.CreationDate < dateadd(month, datediff(month, 0, getdate()), 0)
group by dateadd(month, datediff(month, 0, q.CreationDate), 0), TagName
order by dateadd(month, datediff(month, 0, q.CreationDate), 0)

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edited sep 12

created jun 14 14 anonymous