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DECLARE @Tag1 varchar = 'angularjs' DECLARE @1MonthsAgo datetime = DATEADD(month, -1, GETDATE()) DECLARE @2MonthsAgo datetime = DATEADD(month, -2, GETDATE()) DECLARE @3MonthsAgo datetime = DATEADD(month, -3, GETDATE()) SELECT TagName, COUNT(*) AS Posts FROM Tags INNER JOIN PostTags ON PostTags.TagId = Tags.id INNER JOIN Posts ON Posts.ParentId = PostTags.PostId where tagname = @Tag1 AND posts.creationdate > @1MonthsAgo group by tagname SELECT TagName, COUNT(*) AS Posts FROM Tags INNER JOIN PostTags ON PostTags.TagId = Tags.id INNER JOIN Posts ON Posts.ParentId = PostTags.PostId where tagname = @Tag1 AND posts.creationdate > @2MonthsAgo and posts.creationdate < @1MonthsAgo group by tagname SELECT TagName, COUNT(*) AS Posts FROM Tags INNER JOIN PostTags ON PostTags.TagId = Tags.id INNER JOIN Posts ON Posts.ParentId = PostTags.PostId where tagname = @Tag1 AND posts.creationdate > @3MonthsAgo and posts.creationdate < @2MonthsAgo group by tagname