RE: Versioning of XML Schema and namespaces

> >> To accommodate changing namespace URI strings in two of my 
> customers' 
> sites, I just use XML entities:
> 
> Tricks like this work some of the time.  If you had a large 
> database that 
> gradually collected documents from, say, 50 versions of the same 
> vocabulary, you might find it harder to prepare the XQuery that would 


Tricks like this don't work at all for XQuery, because XQuery isn't XML and
therefore can't be parameterized using entity references :-(

Michael Kay
http://www.saxonica.com/