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Q&A for students and teachers of all martial arts

WITH TempTable AS (
    SELECT 
        OwnerUserId,
        COUNT(CASE WHEN CreationDate BETWEEN '2019-09-01' AND '2019-11-24' THEN Id ELSE NULL END) AS CountPeriodA,
        COUNT(CASE WHEN CreationDate BETWEEN '2019-12-01' AND '2020-02-23' THEN Id ELSE NULL END) AS CountPeriodB
    FROM posts
    WHERE PostTypeId = 1
    GROUP BY OwnerUserId
    HAVING 
        COUNT(CASE WHEN CreationDate BETWEEN '2019-09-01' AND '2019-11-24' THEN Id ELSE NULL END) >= 1
        AND 
        COUNT(CASE WHEN CreationDate BETWEEN '2019-12-01' AND '2020-02-23' THEN Id ELSE NULL END) >= 1
),
FINAL As(
SELECT 
    ROW_NUMBER() OVER (ORDER BY posts.OwnerUserId DESC) AS IndexColumn,
    posts.OwnerUserId,
    posts.Id,
    posts.CreationDate,
    posts.body
FROM posts 
INNER JOIN TempTable ON posts.OwnerUserId = TempTable.OwnerUserId
WHERE PostTypeId=1 AND CreationDate between '2019-09-01' AND '2020-02-23'
GROUP BY posts.OwnerUserId,posts.Id, posts.CreationDate,posts.body,posts.tags
)
Select *
From FINAL
where Indexcolumn > 99999
order by Indexcolumn

fork query

edited oct 6

created oct 6 Bowen.Zhou