Subject Re: Helen: Low Selectivity Problem
Author Scronkey
> See my posting yesterday in response to Raymond Kennington's
> "Foreign keys and low selectivity".
> Also (when the Atkin server comes back to life) search the
archives on the
> word "selectivity".
> As for referential integrity, it is perfectly possible to manage
> yourself with triggers. I don't have time to "write the manual"
for you
> but trying searching the net for articles about the concept - it's
> structural issue rather than one that's database-specific. See
> EXCEPTION, a handy tool in writing RI triggers...

Understood, and will do.
Sorry, I just panicked when I read your post.