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Q&A for teachers and students of the Esperanto language

SELECT Top 3
	YEAR(pst.CreationDate) as "Year"
	,COUNT(DISTINCT usr.Id) as NoOfUsers
	,COUNT(DISTINCT pst.Id) as NoOfPosts
FROM Users usr
	Inner Join Posts pst ON pst.OwnerUserID = usr.Id
	Inner Join PostTags psttg ON psttg.PostId = pst.Id
	Inner Join Tags tgs ON tgs.Id = psttg.TagId
WHERE 1=1
	and UPPER(usr.DisplayName) like 'ANDR%'
	and UPPER(tgs.TagName) = 'CSS'
	and pst.CreationDate >= CAST('2019-01-01' AS DATE)
	and pst.CreationDate <  CAST('2020-01-01' AS DATE)
GROUP BY YEAR(pst.CreationDate)
;

fork query

edited nov 5

created nov 5 anonymous