Tags with a high proportion of unanswered questions

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with score <= 0, low views, no answers

Russian Language

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

-- Tags with a high proportion of unanswered questions
-- with score <= 0, low views, no answers

SELECT
    Questions / 1000,
    SUM( Questions )
FROM (
SELECT t.TagName
, COUNT(*) AS 'Questions'
, CAST( COUNT(a.id) AS FLOAT ) / COUNT(*) AS 'AcceptedPercent'
FROM Tags t
LEFT JOIN
     PostTags pt
ON   t.id = pt.TagId
LEFT OUTER JOIN
     Posts p
ON   pt.PostId = p.id
AND  p.AcceptedAnswerId != 0
LEFT JOIN
     Posts a
ON   a.Id = p.AcceptedAnswerId
AND a.Score = 0
GROUP BY t.TagName
HAVING COUNT(*) > 1000
) x
GROUP BY Questions / 1000

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