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#2
bygg2007-09-10 11:05
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select 相同成员 from
(
select count(left(医疗编号,12)) as 相同成员,left(医疗编号,12) from musterroll
group by left(医疗编号,12) order by 相同成员 desc
) as t
where 相同成员 >1
帮我看看这句代码哪里错了