- 表结构
- 功能
- SQL Serevr
- Access
表结构
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vR134ab4iyGwj/6/3afmSaAgl2Q6VO1vGwnGh7eOrHjaq37+0Nu/LtDRPuBsL/dL+WpXfD0wh1rajSuTZ/9WI5UfUjlPrgYn5fqqJdrz4lqnBih/BbpHKHP8xu8AdfsZhwN5Rv+HbJh+ENdAJfFZoCCR53KPA1vGinD49CZu6tBXxVaAokAOagPcyEH4Kiz7ZcEQAAosNuAACAM+wGAAA4w24AAIAz7AYAADjDbgAAgDPsBgAAOMNuAACAM+wGAAA4838djdAZpneHVgAAAABJRU5ErkJggg==" alt="" />
功能
用表B的数据(mc列)更新表A的mc列
SQL Server语句
update A SET A.mc = b.mc FROM A ,B WHERE A.bmbh = B.bmbh and A.xmbh = B.xmbh;
Access语句
update A, B set A.mc = B.mc where A.bmbh = B.bmbh and A.xmbh = B.xmbh;
或者
update A INNER JOIN B ON A.bmbh = B.bmbh AND A.xmbh = B.xmbh SET A.mc = B.mc;