sqlserver夺标替换：两表有一个字段相同，想替换一个字段为另外一表的字段

UPDATE RP_bankrecp SET RP_bankrecp.iflag = rp_bankrecp_2011.iflag FROM RP_bankrecp LEFT JOIN       RP_bankrecp_2011 ON RP_bankrecp.i_id = RP_bankrecp_2011.i_id   update table1 set table1.field1=table2.field2 from table1 left join table2 on table1.fieldX=table2.fieldy

来源：CSDN

作者：rslwf

链接：https://blog.csdn.net/rslwf/article/details/104141386