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Q&A for serious players and enthusiasts of chess

SELECT
AVG(CAST(DATEDIFF(SECOND, p.CreationDate, a.CreationDate) AS BIGINT)) AS avg_secs
FROM Posts p
INNER JOIN Posts a ON a.id = p.AcceptedAnswerId
WHERE p.AcceptedAnswerId IS NOT NULL
  AND datepart(year, p.CreationDate) = 2017
  AND p.PostTypeId = 1

fork query

edited sep 20 19

created sep 20 19 anonymous