select A.* from W_AccidentBaseInfo_PartyMan A
where exists (
select 1 from (
select accidentid
from W_AccidentBaseInfo_PartyMan
group by accidentid
having count(*)=1
) B
where A.accidentid = B.accidentid
)
where exists (
select 1 from (
select accidentid
from W_AccidentBaseInfo_PartyMan
group by accidentid
having count(*)=1
) B
where A.accidentid = B.accidentid
)
解决方案 »
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