Q&A for community managers, administrators, and moderators
SELECT displayname, id, reputation, downvotes, upvotes FROM Users u WHERE Downvotes > 20 AND Reputation < 500 AND EXISTS (SELECT 1 FROM PostTags pt INNER JOIN posts p ON pt.postid = p.id WHERE p.owneruserid = u.id AND pt.tagid = (SELECT id FROM tags WHERE tagname = 'delphi')) ORDER BY Downvotes DESC