Most popular tags in a year

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Emacs

Q&A for those using, extending or developing Emacs

-- Most popular tags in a year

DECLARE @Year INT = ##Year##

select 
       num.TagName as Tag,
       row_number() over (order by rate.Rate desc) as YearRank,
       row_number() over (order by num.Num desc) as AllTimeRank,
       rate.Rate as QuestionsYear,
       num.Num as QuestionsTotal

from

(select count(PostId) as Rate, TagName
from
  Tags, PostTags, Posts
where Tags.Id = PostTags.TagId and Posts.Id = PostId
and Posts.CreationDate < CAST(@Year + 1 AS NVARCHAR) + '-01-01'
and Posts.CreationDate >= CAST(@Year AS NVARCHAR) + '-01-01'
group by TagName) as rate

INNER JOIN

(select count(PostId) as Num, TagName
from
  Tags, PostTags, Posts
where Tags.Id = PostTags.TagId and Posts.Id = PostId
group by TagName
having count(PostId) > 800)
as num ON rate.TagName = num.TagName
order by rate.rate desc
;

Enter Parameters

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