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select id,count(id)
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group by id
having count(id)>1

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select * from
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select convert(varchar(50),cast(convert(numeric(18,2),1275674000000/100000000)as real))+'ÒÚ'
select cast(convert(numeric(18,2),1275674000000/100000000)as real)
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select * from a
where columna like '%/%%' escape '/'

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Course(C#,Cname,T#) ¿Î³Ì±í 
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select * from Gprs_DataInof 
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