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Episode 9 - The Return of the Hierarchical Empire (A04)

Topic: DB2 for z/OS

Subtopic: 2007



DATE: 2007-11-6 (09:00 - 10:00)
SPEAKERS: Ulf Heinrich (SOFTWARE ENGINEERING)

The integration of XML in DB2 for z/OS V9 is often called the revenge of IMS. There is some truth in this because XML is a hierarchical structure, which is now integrated into the relational model. A few questions are brought up with this, like-How do we access the data in XML structures?-What about indexing to improve performance?-Are there recommendations for database design?In this presentation, I will highlight first experiences with XML integration in DB2 for z/OS. Additionally, I will provide hints and tips on how to improve performance. Last but not least, I will show you why you should recall your old hierarchical "thinking modes" to survive in the new fashionable XML world.

EXP. LEVEL: Beginner,Intermediate

OBJECTIVES:

XML in DB2 for z/OS V9 integration

Performance figures

Index design for XML

Design recommendations

Hierarchical vs. relational - or: hierarchical joins relational



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