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Q&A for professional and enthusiast programmers

-- Enter Query Title
-- Enter Query Description
SELECT TOP 100
    Id AS [User Link],
    P.C AS [Great Answers],
    CASE
        WHEN P.C > 0 THEN
            (SELECT Count(*)                 
             FROM Posts
             WHERE PostTypeId = 2
             AND OwnerUserId = U.Id)
        ELSE 0
    END AS [Great Answer Ratio]
FROM Users U
INNER JOIN
    (SELECT
    OwnerUserId, C = Count(*)
    FROM Posts
    WHERE Score >= 10
    GROUP BY OwnerUserId) P
ON U.id = P.OwnerUserId
ORDER BY P.C Desc

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created sep 7 10 Peter Ajtai