Re: Database-valued attributes?

From: Paul Vernon <paul.vernon_at_ukk.ibmm.comm>
Date: Wed, 12 Nov 2003 10:39:42 -0000
Message-ID: <bot2rk$op8$1@gazette.almaden.ibm.com>

"Dan" <guntermannxxx_at_verizon.com> wrote in message news:Flksb.40903$p9.34075_at_nwrddc02.gnilink.net...
> First, how do you type a database value?

More interestingly, do we even want to type database values?

> For any change in the schema of
> the database, do you have to redefine the type?

Well the schema is the type, if you change the schema, you have changed the type, no 'redefinition' needed.

> Second, why not just encapsulate the type and not expose the
representation
> of the database value as either columns or tuples? Nice and simple. Just
> make sure you define a pretty good default representation.

So it's all just 'implementation defined'. Hummm.

Regards
Paul Vernon
Business Intelligence, IBM Global Services Received on Wed Nov 12 2003 - 04:39:42 CST