# Re: Examples of SQL anomalies?

Date: Thu, 3 Jul 2008 08:50:42 -0700 (PDT)

Message-ID: <e7c035e2-f942-4615-b99d-afcf37383180@r37g2000prm.googlegroups.com>

On Jul 3, 8:31 am, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:

*> Marshall wrote:*

*> > On Jul 3, 7:21 am, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:*

*>*

*> Exactly. A data type comprises two sets: a set of values and a set of*

*> operations defined using those values. A value then is simply a member*

*> of a set which has operations defined over the set.*

It suddenly occurs to me that what you describe is pretty much exactly an "algebraic structure" in abstract algebra.

http://en.wikipedia.org/wiki/Algebraic_structure

*> > Do you have a definition for "information"?*

*>*

*> What's wrong with the ISO 2382 definition? It's the first definition in*

*> the standard.*

What's wrong with it is that I can't remember it.

Marshall Received on Thu Jul 03 2008 - 10:50:42 CDT