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select top 10 * from(select count(userid),bid from B_Users group by bid order by count(userid) desc)
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SELECT Top 10 bid ,count(userid) from B_Users
group by bid

select top 10 * from(select count(userid),bid from B_Users group by bid order by count(userid) desc)

select top 10 * from(select count(userid),bid from B_Users group by bid order by count(userid) desc)
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