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Re: Will XML eat the web?

• From: Pavel Velikhov <pvelikho@c...>
• To: Paul Prescod <paul@p...>
• Date: Thu, 28 Jan 1999 16:06:16 -0800

Paul Prescod wrote:
> 
> Pavel Velikhov wrote:
> >
> > Paul Prescod wrote:
> > >
> > > You need to store data that is efficiently maintained relationally. You
> > > need to *transmit* XML. Why not use a relational database and create XML
> > > when you need it.
> >
> > Transmitting XML in a textual representation is not always a good idea.
> 
> I don't follow you. XML is, by definition, textual.

I would like to view XML as a logical data model. I hope the actual
storage model
will be transparent in the future. I.e. the next generation xml "parser"
that
implements a DOM interface should be able to talk to an xml source that
physically
is say an OODB and fetch small pieces of the document as they are
requested by
the application.
 
> > When the user does the 'select *' query on an XML database, sending him
> > a 20 megabyte XML file that he will need to parse, apply an xsl
> > stylesheet
> > to and display in the browser is not the best solution. IMHO, the result
> > of the query should be shipped on demand, when the user is actually
> > 'looking'
> > at a piece of an XML file.
> 
> I don't think I said anything to contradict this, though I would say that
> by the time you have a "20 megabyte XML file" you've probably already done
> something wrong. There is almost never a good reason to generate files
> that large.

I agree, generating 20Mb XML files is bad. However it will happen. If
you make
a lot of data available in XML by wrapping a relational database for
instance
users/applications will be able to request large XML files.

Pavel Velikhov

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