Re: Is relational theory irrelevant?
Date: Tue, 18 Nov 2003 22:29:34 -0000
Message-ID: <bpe6mq$1n9m$1_at_gazette.almaden.ibm.com>
"Bob Badour" <bbadour_at_golden.net> wrote in message
news:ToednURmpdK7Dyei4p2dnA_at_golden.net...
> > Interesting. I didn't intend to allege that side-effects are bad. They
> > are a reminder that SQL has to deal with the real world.
>
> Side-effects are bad. I suggest your example was also bad. Sending emails
is
> not data management. Recording the emails sent is data management. A
> database management system has a role and a function. Sending emails is
not
> its function.
No, but if you want to get rid of logical transactions, then sending emails is and example of an activity that needs to hook into the physical layer of the database, which would have the consequence of users of the logical database experiencing that the DBMS does indeed send emails. :-)
Regards
Paul Vernon
Business Intelligence, IBM Global Services
Received on Tue Nov 18 2003 - 23:29:34 CET