Re: First Impressions on Using Alphora's Dataphor

From: Laconic2 <laconic2_at_comcast.net>
Date: Thu, 26 Aug 2004 14:19:44 -0400
Message-ID: <MLydnffBvNGntLPcRVn-jQ@comcast.com>

"Josh Hewitt" <lajos.nagy_at_gmail.com> wrote in message news:1c92edeb.0408260910.60242a59_at_posting.google.com...
> - Although it is logical after giving it a little thought, it came as a
> nasty surprise that Dataphor demands that all scalar types that might
> appear in a context where duplicate elimination is required must have
> the less-than (Dataphor calls it 'iLess') operator defined on them.

Yes, it is logical.

>
>
> Now I digress a little bit so the following musings are about UDTs in
> RDBMSs in general.

What is the difference, if any, between UDTs and the domains generated by "CREATE DOMAIN" in some RDBMs
and, I think, now included in the SQL standard?

> Sorry for the long post, but I felt that this might be an interesting
> topic to discuss in this news group.
>
>
> Josh Hewitt

I once knew a Carl Hewitt, at MIT. Are you related? Received on Thu Aug 26 2004 - 13:19:44 CDT