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RE: XML-enabled databases, XQuery APIs

• To: "Michael Kay" <mike@s...>,"Bullard, Claude L \(Len\)" <len.bullard@i...>,"Ronald Bourret" <rpbourret@r...>
• Subject: RE: XML-enabled databases, XQuery APIs
• From: "Michael Rys" <mrys@m...>
• Date: Mon, 18 Apr 2005 10:00:00 -0700
• Cc: <xml-dev@l...>
• Thread-index: AcVEMO5550l9HegXTRyHLjQPg33DfAAAuo6wAADpebA=
• Thread-topic: XML-enabled databases, XQuery APIs

There will be no physical impact. The only impact I can see is that it
means more ways need to be provided to parse such XML and if the format
does not fit into the general parsing framework (ie, some XML
declaration encoding indicating the binary encoding of the XML), it will
be architecturally more challenging. And as always, it will be added
risk from a security point of view if the binary format is not designed
with such issues in mind (see the vacuous entity expansion issue for
DTDs for example).

Best regards
Michael

> -----Original Message-----
> From: Michael Kay [mailto:mike@s...]
> Sent: Monday, April 18, 2005 9:33 AM
> To: 'Bullard, Claude L (Len)'; Michael Rys; 'Ronald Bourret'
> Cc: xml-dev@l...
> Subject: RE:  XML-enabled databases, XQuery APIs
> 
> >
> > What would be the consequences to XML datatypes in relational
> > databases should an XML binary standard be created?
> >
> 
> None, I would have thought. I wouldn't expect an RDB to represent XML
data
> internally using either the standard ("XML") serialization or any
standard
> binary serialization, I would expect it to use its own internal
> representation. Thus the fact that there's more than one standardized
> external representation shouldn't matter one iota: provided of course
that
> the representations are truly equivalent.
> 
> Michael Kay
> http://www.saxonica.com/
> 
> 
> 
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