ผู้ใช้ที่มีตรา Necromancer มากที่สุดในวันที่ 14-04-2558 ไม่จำเป็นที่จะต้องใช้ทุกตาราง
Users with most Necromancer badges at 2015-04-14.It is not neccessary to use all the tables.
 CloseAsOffTopicReasonTypes:  Id [ number]  IsUniversal [ boolean]  InputTitle [ text]  MarkdownInputGuidance [ text]  MarkdownPostOwnerGuidance [ text]  MarkdownPrivilegedUserGuidance [ text]  MarkdownConcensusDescription [ text]  CreationDate [ time]  CreationModeratorId [ number]  ApprovalDate [ time]  ApprovalModeratorId [ number]  DeactivationDate [ time]  DeactivationModeratorId [ number] 
SELECT ROW_NUMBER() OVER (ORDER BY COUNT(*) DESC) AS rank, UserId AS "user_link", COUNT(*) AS badges FROM Badges WHERE Name = 'Necromancer' AND Date < '##Date?2015-04-14##' GROUP BY UserId ORDER BY Badges DESC LIMIT 300