Preguntas y respuestas para programadores y profesionales de la informática
SELECT t.TagName AS Tag, month(creationDate), year(creationDate), ROUND(SUM(CASE WHEN AcceptedAnswerId IS NOT NULL THEN 1 ELSE 0 END) * 100.0 /COUNT(1),2) AS [Percent Answered] FROM Posts p INNER JOIN PostTags pt ON p.Id = pt.PostId INNER JOIN Tags t ON pt.TagId = t.Id WHERE p.PostTypeId = 1 --questions and t.TagName='google-chrome-app' GROUP BY t.Id, t.TagName, month(creationDate), year(creationDate)