Re: Is relational theory irrelevant?

"Serge Rielau" <srielau_at_ca.eye-bee-m.com> wrote in message news:bpgvnd$i8s$1_at_hanover.torolab.ibm.com...
> Bob Badour wrote:
>
> > D nests relational expressions within variable operations and nests
variable
> > operations within variable operations. It does not, and should not, nest
> > variable operations within value operations. Value operations with
> > side-effects is a really, really, really bad idea.
> I would love to agree, but it its value is really, really high.
> Let's consider auditing. Whenever someone reads your health record you
> want this fact to be tracked. Eseentially you want a select-trigger in
> this case.
> I think the bottom line is:
> Should we prohibit powerful function because it makes the (virtual)
> world a less clean place?
> Must we denounce Einstein because he made such a mess of Newton?

I suggest a triggered procedure is triggered by an operation on a variable even when the operation is a read operation. I still see no reason to nest a variable operation within a value operation. Received on Thu Nov 20 2003 - 03:21:02 CET