△▲△▲△Update语句中能否有From、Group By、Order By等子句 ?△▲△▲△ update t2 set t2.f3=t1.f3 where t1.f1=t2.f1; 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 sorry,改一下update t2 set t2.f3=(select t1.f3 from t1 where t1.f1=t2.f1); sorry,改一下update t2 set t2.f3=(select t1.f3 from t1 where t1.f1=t2.f1); update t2 set t2.f3 = (select f3 from t1 where t1.f1=t2.f1) update t1 set t1.f3 = (select t2.f3 from t2 where t2.f1 = t1.f1); update t1 a set f3 = (select f3 from t2 where f1=a.f1); update t1 a set f3 = (select f3 from t2 where f1=a.f1); 用于实现字段自增的存储过程,报错解决不了 设置什末地方,可以实现对远程数据库的连接,不用标准的1521端口,用别的端口???(急) oracle中如何实现这种功能?忽略参数 oracle安装? 求助,关于ora-03113 急切想知道的问题,请大家帮忙!!! 我想使两个完全相同的数据库同步,应该怎么办? 十万火急,救命!!! 数据类型转换 关掉Oracle9自带Web服务器或者改变其端口 请教各位高手,下面的表怎样写存储过程?谢谢! jdbc 连接oracle 数据库问题.
update t2 set t2.f3=(select t1.f3 from t1 where t1.f1=t2.f1);
update t2 set t2.f3=(select t1.f3 from t1 where t1.f1=t2.f1);
(select f3 from t1
where t1.f1=t2.f1)