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Charles huiSubject: Performance of XQuery
Author: Charles hui
Date: 28 Jan 2008 08:31 PM
Hi, I am trying to use the Xquery for our dataextraction program. However, someone said Xquery will have performance issue when retrieving large amount of data. So, some consultant will try to recommend to use Groovy script and SQL to replace it. Did anyone have some experience on developing Xquery and also facing performance issue. Or how do yours due with that?.. Thx

Minollo I.Subject: Performance of XQuery
Author: Minollo I.
Date: 28 Jan 2008 09:01 PM
The design principle behind DataDirect XQuery has always been since the beginning to make sure that its performances and scalability when dealing with relational data were as good as a well optimized combination of Java and SQL programming - but without having to worry about that. We have many customers relying on our technology, and reporting it extremely performant, scalable and reliable.

The approach that DataDirect XQuery uses when dealing with relational databases is fairly unique; you can find more details in this white paper: http://www.xquery.com/white_papers/generating_sql/

Also, you can read about how our customers are using DataDirect XQuery (some of them dealing with XML documents in the GBs range) here: http://www.xquery.com/customers/

If you have any questions, or if you would like to see how DataDirect XQuery works for your own problem, just let us know.

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