August 2003
Intermediate to advanced
512 pages
11h 23m
English
book
XQuery from the Experts: A Guide to the W3C XML Query Language
by Howard Katz - Editor, Don Chamberlin, Denise Draper, Mary Fernández, Michael Kay, Jonathan Robie, Michael Rys, Jérôme Siméon, Jim Tivy, Philip Wadler
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Conclusion and Issues
This chapter has given an overview of how to integrate relational database systems with XQuery. It introduced the XML datatype and presented both the mixed approach of using XQuery in conjunction with SQL to query XML datatype instances and the top-level XQuery approach of querying collections of XML instances and XML views of relational data. It also provided an insight into the impact of the actual physical data model of the XML datatype on the processing and mapping of XQuery in the context of relational systems.
Many relational database systems at the time of this writing have just started to add native XML support to their support for bidirectional mapping between relational and XML data, and so far no system ships ...