MySQL Delete,Update连表(left join)删除,更新语法

http://blog.163.com/mageng11@126/blog/static/140808374201311266137628/

UPDATE
lift_users LEFT JOIN lift_enterprises
ON lift_users.innerid = lift_enterprises.innerid
SET
lift_users.usaas = lift_users.innerid
WHERE lift_enterprises.userrole IN ('1','3','4','5') ;