Re: 'commit' not having immediate effect

dn.usenet wrote:
> Table t1 (f1, f2). Primary key (f1, f2) Contents : ('1', 'one') and
> ('2' , 'two')
> Table t2. Same as t1. Same key, same data.
>
> I ran : select t1.f1 from t1 t1, t2 t2
> where exists (
> select 1 from dual where t1.f1 = t2.f1
> )
> I used 'dual' because 'null' did not work in its place; I was just
> trying out things.
> This TOAD query/window hanged.
>

By the way, I know what command to use to see rows with t1.f1 = t2.f1 without using 'where exists' or 'dual'. I was just trying out those things
out of curiosity. Received on Sat Apr 01 2006 - 08:37:24 CST