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XML data in standard database processing is not being used fully or correctly in business applications today. Current XML hierarchical database query processing is basically limited to single path linear hierarchical processing. This limitation could be the influence of relational join processing or might occur because the navigation of multiple hierarchical paths is too difficult and error prone to be practical with XML's manual navigation. XQuery has the same limitation; it also requires XML's manual navigation. Eliminating manual navigation from database XML processing removes these XML limitations, allowing navigationless structure processing to be unrestricted and performed automatically. This paper describes how business applications can take advantage of powerful new capabilities stemming from properly processed database XML data, using advanced hierarchical processing.
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