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Q&A about the site for students, teachers, and linguists wanting to discuss the finer points of the Italian language

SELECT OwnerUserId
FROM posts
WHERE (CreationDate BETWEEN '2014-01-01' AND '2014-12-31' ) AND (PostTypeId = 2)
INTERSECT
SELECT OwnerUserId
FROM Posts
WHERE (CreationDate BETWEEN '2015-01-01' AND '2015-12-31' ) AND (PostTypeId != 1)

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edited nov 11

created nov 11 anonymous