คำถามที่ไม่มีคำตอบที่เห็นด้วย ไม่จำเป็นที่จะต้องใช้ตารางทั้งหมด
Questions with no upvoted answers.It is not neccessary to use all the tables.
 PostHistory:  Id [ number]  PostHistoryTypeId [ number]  PostId [ number]  RevisionGUID [ other]  CreationDate [ time]  UserId [ number]  UserDisplayName [ text]  Comment [ text]  Text [ text]  ContentLicense [ text] 
SELECT q.Id AS "post_link" FROM Posts AS q WHERE PostTypeId = 1 AND Score > 0 AND ClosedDate IS NULL AND (SELECT COUNT(*) FROM Posts AS a WHERE a.ParentId = q.Id AND a.Score > -1) = 0 AND AcceptedAnswerId IS NULL ORDER BY CreationDate