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Q&A for scientists using computers to solve scientific problems

SELECT TOP 10 u.id, COUNT(*) AS activity
FROM Users u
LEFT JOIN (
SELECT p.OwnerUserId AS user_id
FROM posts p
WHERE p.CreationDate >= DATEADD(YEAR, -5, GETDATE())
    
UNION ALL
    
SELECT c.UserId AS user_id
FROM Comments c
WHERE c.CreationDate >= DATEADD(YEAR, -5, GETDATE())
) AS user_activity ON u.id = user_activity.user_id
GROUP BY u.id
ORDER BY COUNT(*) DESC

fork query

edited oct 24

created oct 24 anonymous