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Вопросы и ответы о сайте для программистов

declare @userCount bigint;
select @userCount = count(1)
from Users;

select POWER(10, FLOOR(LOG(u.Reputation, 10))) as RepGroup,
       count(1) as [Count],
       ROUND(count(1) * 100.0 / @userCount, 10) as [Percentage]
from Users u
group by POWER(10, FLOOR(LOG(u.Reputation, 10)))
order by RepGroup desc;

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edited nov 16 20 Sander2

created nov 16 20 anonymous