Q&A about the site for people who build and repair bicycles, people who train cycling, or commute on bicycles
SELECT COUNT(Id) Questions ,COUNT( AcceptedAnswerID) AcceptedAnswers , SUM(CASE when AnswerCount>0 Then 1 else 0 end) Has_answer , COUNT( AcceptedAnswerID)/CAST(COUNT(Id) as decimal) AcceptedRate , SUM(CASE when AnswerCount>0 Then 1 else 0 end)/CAST(COUNT(Id) as decimal) AnswerRate FROM Posts WHERE Tags like '%tableau%' and CreationDate >='2021-12-01'