Zero and non-zero accepted count. Self-accepted answers do not count.
Q&A for professional and enthusiast programmers
-- How Unsung am I?
-- Zero and non-zero accepted count. Answers must be old enough, not self-accepted and not Community Wiki.
-- Answers must be at least 10 days old to qualify.
on a.Id = q.AcceptedAnswerId
a.CommunityOwnedDate is null
and a.OwnerUserId = ##UserId##
and q.OwnerUserId != ##UserId##
and a.postTypeId = 2
and a.CreationDate <= DATEADD(day, 0, GETDATE())
order by a.CreationDate DESC