I was given an xml file with raw data that I would like to analyse. 
What program should I use to access the information in a usable
fashion?  I think I need to parse the data into a more searchable
database but I am not sure.  I would like to be able to query the data
and get results.  For instance, a program that would allow me to say
pull all the records meet a certain critera, then pull another set of
records that meet another set of criteria, then compare the two.  I
understand their is a protocal called XQuery that is a way of querying
XML data, but I don't understand what platform I need to be using to
use this method.  Any help would be most appreciated.  I should
mention that the XML dataset is very large (roughly 300 megs) so the
program would need to be able to handle a file this large.  Thanks,

Mike

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Request for Question Clarification by answerguru-ga on 15 Oct 2005 09:50 PDT

There is plenty of software that you can acquire which will allow you
to run XQuery statements against an XML dataset.

Would an answer containing 3-4 such alternatives be suitable? There
are also plenty of resources online to help you get up to speed on
XQuery and XPath, but that appears to be out of the scope of your
question - you may want to post another if you would like to learn
this as well.

Cheers,
answerguru-ga