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DB2® 9 for Linux®, UNIX®, and Windows®: DBA Guide, Reference, and Exam Prep, Sixth Edition by Paul C. Zikopoulos, George Baklarz

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Chapter 8. pureXML Storage Engine

• XML OVERVIEW

• XML DATA TYPE AND STORAGE

• XPATH AND XQUERY

• SQL/XML FUNCTIONS

• ADDITIONAL CONSIDERATIONS

The DB2 9 pureXML technology unlocks the latent potential of XML data by providing simple efficient access to it with the same levels of security, integrity, and resiliency taken for granted with relational data, thereby allowing you to seamlessly integrate XML and relational data. DB2 9 stores XML data in a hierarchical structure that naturally reflects the structure of XML. This structure along with innovative indexing techniques allows DB2 to efficiently manage this data and eliminate the complex and time-consuming parsing typically required for XML. This chapter details the pureXML feature available ...

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