多表关联更新update

 

参考：https://blog.csdn.net/liqing0013/article/details/96291116

 

将t_outer_rel表中的OUTER_ID修改为t_outer_rel_qiaofang表中的uuid，where是关联条件：

update t_outer_rel rel, t_outer_rel_qiaofang bak
   set rel.OUTER_ID = bak.uuid
 where rel.ORG_ID=80
   and rel.TYPE = 1
   and rel.OUTER_ID = bak.id;