1

Please login or register to vote for this query.

(click on this box to dismiss)

Вопросы и ответы о сайте для программистов

;with firstpostids_cte as (
SELECT MIN(Id) AS MinId, OwnerUserId
FROM PostsWithDeleted
WHERE PostTypeId=1
GROUP BY OwnerUserId
)
, firstpostsclosed_cte as (
SELECT
p.Id, p.CreationDate AS cre, p.DeletionDate AS del
FROM firstpostids_cte fp JOIN PostsWithDeleted p ON fp.MinId=p.Id
)

SELECT 
number = ROW_NUMBER() OVER (ORDER BY format(cre, 'yyyy-MM')),
format(cre, 'yyyy-MM'), ROUND((COUNT(del))*100.0/(COUNT(*)),5) AS percentage
FROM firstpostsclosed_cte
GROUP BY format(cre, 'yyyy-MM')
ORDER BY format(cre, 'yyyy-MM')

fork query

edited jan 15 19

created jan 15 19 Martin20528