tojo wrote:
> In article <3f5315cd$0$10359$afc38c87_at_news.optusnet.com.au>,
> howardjr2000_at_yahoo.com.au says...
>
> isn't there only a locking issue if you update the primary key of the
> parent table? Updating other fields should be OK. Please correct me if
> I'm wrong.
and the same is true for deletes of parent-rows and inserts of
child-rows,...
the situations in which it is not necessary to have an index on a
foreign key are so rare in real life, it easiest not to think much and
just create one!
Received on Mon Sep 01 2003 - 06:53:53 CDT
