RE: XQuery & Several records (instead of one xml-field)
> So from the primary input (XML infoset, PSVI or something > else (like a RDBMS Schema)), an instance of the data model > must be constructed, on which a XQuery program can operate > (via a XQuery engine). At a very abstract level, yes. But it doesn't have to be in memory. It can be on disk, or it can be a view of data represented in some other way (e.g. tables in an RDBMS). It doesn't even all have to exist at the same time, that is, it can be a transient stream of SAX events. > > The data model instance is represented by a set of data > structures, in say a JVM space. > > Am I correct in saying so? I think the engineering possibilities are a lot wider than you are imagining. Michael Kay http://www.saxonica.com/
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