ด้วย Bounty ไม่จำเป็นต้องใช้ทุกตาราง
with Bounty.It is not neccessary to use all the tables.
 PostLinks:  Id [ number]  CreationDate [ time]  PostId [ number]  RelatedPostId [ number]  LinkTypeId [ number] 
SELECT PostId, MIN(CreationDate) AS DaDate FROM (SELECT PostId, CreationDate FROM Votes WHERE NOT BountyAmount IS NULL AND VoteTypeId = 8) AS B GROUP BY PostId ORDER BY DaDate LIMIT 10