Tag statistics

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Views, Score and Answers per Game (with limited blacklist for other tags)

スタック・オーバーフローMeta

プログラマーと熱狂的なプログラマーのためのサイトに関する質問と回答

-- Tag statistics
-- Views, Score and Answers per Tag

DECLARE @total float
SELECT @total = Sum(Cast(ViewCount as bigint)) FROM Posts WHERE PostTypeId = 1 AND (Posts.CreationDate between'2013-01-01' and '2017-12-31')

SELECT 
    Tags.Tagname AS Tag, 
    Count(*) AS Questions,
    str(100 * Sum(Cast(Posts.ViewCount as bigint)) / @total,6,2) AS percentOfSite,
    Sum(Cast(Posts.ViewCount as bigint)) AS Views,
    Sum(Posts.Score) AS Score,
    Sum(Cast(Posts.CommentCount as bigint)) AS Comment,
    str(100 * Sum(Cast(Posts.ViewCount as bigint)) / @total,6,2) AS percentOfSite,
    Sum(Posts.AnswerCount) AS Answers,
    Sum(Cast(Posts.ViewCount as bigint)) / Count(*) AS AvgViews,
    str(Sum(Posts.Score) / Cast(Count(*) AS Float),6,2) AS AvgScore,
    str(Sum(Posts.AnswerCount) / Cast(Count(*) AS Float),6,2) AS AvgAnswers,
    str(Sum(Posts.CommentCount) / Cast(Count(*) AS Float),6,2) AS AvgComment
  FROM Posts 
  JOIN PostTags ON Posts.Id = PostTags.PostId
  JOIN Tags ON PostTags.TagId = Tags.Id
  WHERE Posts.PostTypeId = 1 
  AND Posts.CreationDate between'2013-01-01' and '2017-12-31'
  GROUP BY Tags.Tagname
 
  ORDER BY Score DESC

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