http://meta.stackexchange.com/questions/280695/how-to-find-the-post-having-highest-upvote-without-any-downvote
Q&A for project managers
select top 1000 p.id as [Post Link] , posttypeid ,score from posts p left outer join votes v on v.postid = p.id and votetypeid =4 where p.score > -1 and posttypeid in (1,2) and v.id is null order by score desc