RE: [xsl] XQuery (was Designs for XSLT functions)

[DPawson at rnib dot org dot uk]

 Michael Kay
> > Forgive my ignorance, but does XQuery provide queries across
> > a set of XML
> > documents? In other words you have a 'database' of XML
> > documents and it
> > returns all the documents or part of all the documents matching some
> > criteria.
> 
> If I understand the thinking correctly, it is that a database would be
> represented by a virtual document containing a list of the instance
> documents, identified by URL; and then yes, you should be 
> able to search
> this entire collection. Of course XSLT has that capability 
> too (in theory):
> the real challenge is designing optimizers that can take advantage of
> persistent indexes, etc.

I thought query could operate across/with (whatever the expression is)
more than one document root, which I believed to be a limitation of XSLT?

DaveP
 

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