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Exciting SQL Performance Enhancements in DB2 UDB V8 (G09)

Topic: 2005 NA

Subtopic: DB2 for z/OS



DATE: 2005-05-24 (03:30 PM - 04:40 PM)
SPEAKERS: James Guo (IBM Silicon Valley Lab)

Several V8 features will be discussed. See how SQL can get huge performance improvement by using Materialized Query Table(MQT). Learn which predicates with unmatched datatypes/length will be indexable. Find out the power of parallel sort which can reduce query elapsed time significantly. Learn the benefit of multi-row FETCH and INSERT statements. Learn how to use distribution statistics to improve query performance.

EXP. LEVEL: Beginner,Intermediate,Advanced

OBJECTIVES:

Design, define, populate and use MQT

More stage 1 and indexable predicates

Enhanced parallel sort

Multiple-row FETCH and INSERT statements

Distribution statistics on non-indexed columns



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