1
2
3
4
5
update tb_User 
set pass=''
from tb_User usr 
inner join tb_Address addr on usr.nAddressFK = addr.nAddressID 
where usr.id=123

update的格式是

update t1 set t1.name=’Liu’ from t1 inner join t2 on t1.id = t2.tid

delete 语句也是类似

delete from t1 from t1 inner join t2 on t1.id = t2.tid

注意蓝色部分。