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Look for all questions where two users have contributed with any of question, answer or comment

Q&A for programming puzzle enthusiasts and code golfers

-- Look for all questions where two users have both contributed
-- in the form of question, answer or comment

select coalesce(parentid,id) 
from posts 
where owneruserid=##UserA## --1396
      or exists(select * from comments where postid=posts.id and userid=##UserA##)
intersect
select coalesce(parentid,id) 
from posts 
where owneruserid=##UserB## --807
      or exists(select * from comments where postid=posts.id and userid=##UserB##)
order by coalesce(parentid,id) desc

fork query

edited feb 4 12

created oct 19 11 Jack Douglas