Q&A for anime and manga fans
SELECT DATEADD(month,DateDiff(month, 0, p.creationDate),0) as Timestamp, SUM(CASE p.PostTypeId WHEN 1 THEN 1 ELSE NULL END) as 'Questions asked', SUM(CASE p.PostTypeId WHEN 2 THEN 1 ELSE NULL END) as 'Answers provided' FROM Posts p WHERE p.PostTypeId = 1 OR p.PostTypeId = 2 AND p.CreationDate > '2018-01-01' GROUP BY DateDiff(month, 0, p.creationDate) ORDER BY Timestamp DESC