sqlserver语句-表中列值加总

发布时间：2020-12-12 13:53:57 所属栏目：MsSql教程来源：网络整理

导读：update? a? set? a.qty=(select? sum(qty)? from test? b?? where? b.TARGETDATE=a.Targetdate and category1='A1'? and? category2='B1')? from test? a? where?? category1='A1'? and? category2='B1'

update? a? set? a.qty=(select? sum(qty)? from test? b?? where? b.TARGETDATE<=a.Targetdate and category1='A1'? and? category2='B1')? from test? a? where?? category1='A1'? and? category2='B1'

（编辑：李大同）

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