Jslfl【软件开发技术笔记】

SqlSever多表关联update操作

sqlserver中根据多个表的数据来更新字段(其他数据库写法不同)

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UPDATE wms_imp_dc1 set goods_id=b.id,provider_id=c.supplier_id
from ba_materiel_code b left join ba_materiel_supplier c on c.materiel_id=b.id
where b.materiel_code=goods_id_str

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