mysql排名问题

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根据分数排名，分数相同，名次相同，平分后的下一个名次应该是下一个连续的整数值

select s.score,c.num from Scores s,
	(select score, @num:=@num + 1 as num from 
		(select score  from Scores  group by score order by score desc) a, (select @num:=0) b 
	) c
where s.score = c.score order by s.score desc

根据分数排名，分数相同，名次相同，平分后的下一个名次应该是跳跃整数值

select s.score,d.num from Scores s,
	(select score,num from 
		(
			select score, @num:=@num + 1 as num from 
				(select score  from Scores  order by score desc) a, (select @num:=0) b 
		) c
	group by c.score
	) d
where s.score = d.score order by s.score desc