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プログラマーと熱狂的なプログラマーのためのサイトに関する質問と回答

SELECT CreationDate
     , Score
     , avg(CAST(Score AS FLOAT)) OVER (
         ORDER BY CreationDate
         ROWS BETWEEN ##RollingAvg:INT?10## PRECEDING AND CURRENT ROW
       ) AS RollingAvg
    FROM Posts
    WHERE PostTypeId = 2 AND OwnerUserId = ##UserId:INT##;

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edited sep 9 14

created jan 17 14 rolfl