要通过关联表来更新某个字段
update SYNRECORD d set d.BUSINESSNAME =(select c.orgName from RECORD a, ORGAN c where c.Userid = a.Applyuserid and a.dealnumber = d.businessid)
where exists (select 1 from GPRECORD a, SOORGAN c where c.Userid = a.Applyuserid and a.dealnumber = d.businessid) and d.BUSINESSNAME like ‘%？%‘