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Q&A for users and developers of the Cardano cryptocurrency ecosystem

WITH TempTable AS (
    SELECT 
        OwnerUserId,
        COUNT(CASE WHEN CreationDate BETWEEN '2021-09-05' AND '2021-11-28' THEN Id ELSE NULL END) AS CountPeriodA,
        COUNT(CASE WHEN CreationDate BETWEEN '2021-12-05' AND '2022-02-27' THEN Id ELSE NULL END) AS CountPeriodB
    FROM posts
    WHERE PostTypeId = 1
    GROUP BY OwnerUserId
    HAVING 
        COUNT(CASE WHEN CreationDate BETWEEN '2021-09-05' AND '2021-11-28' THEN Id ELSE NULL END) >= 1
        AND 
        COUNT(CASE WHEN CreationDate BETWEEN '2021-12-05' AND '2022-02-27' THEN Id ELSE NULL END) >= 1
),
FINAL As(
SELECT 
    ROW_NUMBER() OVER (ORDER BY Posthistory.UserId DESC) AS IndexColumn,
    PostHistory.UserId,
    PostHistory.CreationDate,
    PostHistory.PostHistoryTypeId
FROM Posthistory 
INNER JOIN TempTable ON Posthistory.UserId = TempTable.OwnerUserId
WHERE PostHistory.PostHistoryTypeId BETWEEN 4 AND 6
      AND PostHistory.CreationDate BETWEEN '2021-09-05' AND '2022-02-27'
GROUP BY PostHistory.UserId,PostHistory.CreationDate,PostHistory.PostHistoryTypeId
)
Select top 5 *
From FINAL
order by IndexColumn desc

view current version

edited dec 4

created dec 4 jon.doe45585