Q&A for Ubuntu users and developers
select [Month], sum(case when 0 < 1 then 1 else 0 end) All_Questions, sum(case when AnswerCount > 0 then 1 else 0 end) Questions_with_Answers from ( select CAST( cast(DATEPART(YYYY, CreationDate) as varchar) + '-' + cast(DATEPART(MM, CreationDate) as varchar) + '-01' as datetime) [Month], AnswerCount from Posts p where ClosedDate is NULL and PostTypeId = 1 ) as X group by [Month] order by [Month] asc