比较表之间的数据 [英] Compare the data between tables

问题描述

我的表数据如下所示

推荐答案

尝试：

merge #temp as target using #stg as srce on target.patientId = srce.patientId and target.patientVisitId = srce.PatientVisitId
when not matched then insert (patientId, PatientVisitId) values (srce.patientId, srce.PatientVisitId)
when not matched by source and target.patientId in (select s.patientId from #stg s)
then delete;

select * from #temp;

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