Does not count self-answers.
Shows users with at least @MinAnswers answers.
Q&A about the site for those involved in the field of teaching mathematics
-- Users with highest accept rate of their answers
-- Does not count self-answers.
-- Shows users with at least @MinAnswers answers.
DECLARE @MinAnswers int = ##MinAnswers##
SELECT TOP 100
u.Id AS [User Link],
count(*) AS NumAnswers,
sum(case when q.AcceptedAnswerId = a.Id then 1 else 0 end) AS NumAccepted,
(sum(case when q.AcceptedAnswerId = a.Id then 1 else 0 end)*100.0/count(*)) AS AcceptedPercent
FROM Posts a
INNER JOIN Users u ON u.Id = a.OwnerUserId
INNER JOIN Posts q ON a.ParentId = q.Id
(q.OwnerUserId <> u.Id OR q.OwnerUserId IS NULL) --no self answers
GROUP BY u.Id
HAVING count(*) >= @MinAnswers
ORDER BY AcceptedPercent DESC, NumAnswers DESC