SQL中使用update inner join和delete inner join

Update XXX set XXX where 这种写法大家肯定都知道，才发现update和delete居然支持inner join的update方式，太神奇了。分享段示例代码：

 

update tb_Userset pass=''from tb_User usrinner join tb_Address addr on usr.nAddressFK = addr.nAddressIDwhere usr.id=123

 update的格式是

update t1 set t1.name=’Liu’from t1inner 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。