Distribution of number of votes on questions


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Q&A for professionals and students of engineering

-- compute for each question how many votes it has 
--(question means posttypeid = 1)
with a as (
   Select p.Id, Count(v.PostId) n_votes
   from Votes v full outer join Posts p 
   on v.PostId = p.Id
   where p.PostTypeId in (1) and v.VoteTypeId in (2,3)
   group by p.Id

-- Create histogram
select n_votes, Count(n_votes) 
from a full outer join Posts pp 
on a.Id = pp.id
where pp.PostTypeId in (1)
group by n_votes
order by n_votes

Enter Parameters

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