Select cc.name,sum(aa.col1+aa.col2)
from aa inner join bb on aa.pid=bb.pid
inner join cc on left(Ltrim(bb.group),2)=cc.Ltrim(rtrim(cc.group))
from aa inner join bb on aa.pid=bb.pid
inner join cc on left(Ltrim(bb.group),2)=cc.Ltrim(rtrim(cc.group))
解决方案 »
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