แท็กยอดนิยมพฤษภาคม 2013ไม่จำเป็นต้องใช้ทุกตาราง
Most popular tag May 2013.It is not neccessary to use all the tables.
 PendingFlags:  Id [ number]  FlagTypeId [ number]  PostId [ number]  CreationDate [ time]  CloseReasonTypeId [ number]  CloseAsOffTopicReasonTypeId [ number]  DuplicateOfQuestionId [ number]  BelongsOnBaseHostAddress [ text] 
SELECT num.TagName AS Tag, ROW_NUMBER() OVER (ORDER BY rate.Rate DESC) AS MayRank, ROW_NUMBER() OVER (ORDER BY num.Num DESC) AS TotalRank, rate.Rate AS QuestionsInMay, 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 < '2013-06-01' AND Posts.CreationDate > '2013-05-01' 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