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RE: Question for updating existing XML file

• To: "'Owen Walcher'" <xpriori@o...>,<xml-dev@l...>
• Subject: RE: Question for updating existing XML file
• From: "Michael Kay" <michael.h.kay@n...>
• Date: Tue, 27 Jul 2004 08:04:10 +0100
• In-reply-to: <00ad01c47369$f2892110$d001a8c0@hagfrid>
• Thread-index: AcRzajvJ5cPabeNwTj+rdd9V2ecJ7gAPDYPw

> >
> OW> If all the parsing is done server-side, why does it 
> matter?  

Because, in general, using any technology for something it wasn't designed
for is going to give you problems unless you tread very carefully.

> 
> I would suggest that the "document" metaphor fits perfectly for a
> PurchaseOrder, CustomerProfile, Product Catalog and other 
> like business
> objects.  

I agree. And my recommendation to people designing XML databases is to map
business objects to XML documents on a one-to-one basis wherever possible.

> 
> So am I storing documents? Yes.
> Am I using XML instead of a database? Yes

No, you are using an XML database. Quite a different matter. And you are not
doing what I was advising against, which is to store a million invoices in
one XML document, and then wonder how to do in-situ update. If you store
business documents as XML documents in an XML database, you often find that
they are immutable, so the problem does not arise.

Michael Kay

• References:
  • Re: Question for updating existing XML file
    • From: "Owen Walcher" <xpriori@o...>

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