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   Re: [xml-dev] dynamically generated XML Schema?! Re: [xml-dev] R: [xml-d

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On Wed, 3 Nov 2004 09:46:39 -0600, Bullard, Claude L (Len)
<len.bullard@intergraph.com> wrote:

> If I already have a database with the metadata in it needed to
> generate an application, why would I need a schema too?
> That I might need (likely will need) multiple tables to do that isn't
> that big a deal.
> I might need a schema when I want to expose the
> constraints and metadata to an external user(s) (eg, doesn't
> want to consume my database tables).  If there is a
> dynamic aspect to the transaction that I need to
> communicate, then dynamically generating a schema
> is a good idea particularly if it only governs
> a limited set of instances or just one.
> OTW, a property bag is a property bag is a property bag.

Or as Burak just wrote on the "Describing hierarchies with XML"  thread:

> [Singing the song of OO abstraction] "Model common things only once."

The fact is, the best model isn't always (ever? :-) an XML schema...


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