select table1.tCode,sum(table2.summoney)summoney
from table1 left join table2 on table2.tCode=table1.tCode
group by table1.tcode为什么会提示错误:type mismatch for field 'summoney'
from table1 left join table2 on table2.tCode=table1.tCode
group by table1.tcode为什么会提示错误:type mismatch for field 'summoney'
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