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One of the most significant new features in IBM DB2 9.5 for Linux, Unix and Windows is the XML update functionality. The previous version, DB2 9, introduced pureXML support for storing and indexing of XML data and querying it with the SQL/XML and XQuery languages. Modifications to an XML document were performed outside of the database server followed by an update of the full document in DB2. Now DB2 9.5 introduces the XQuery Update Facility, a standardized extension to XQuery that allows the user to modify, insert, or delete individual elements and attributes within an XML document. This paper describes the new XML update functionality, presents examples of typical XML update operations, and discusses how to avoid common pitfalls.

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Format:HTML
Date:Oct 2007
Pages:22

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