Articles & Content


SQL Optimization & Access Paths: What’s Old & New (F01)

Topic: DB2 for z/OS

Subtopic: 2008

DATE: 2008-5-19 (09:45 AM - 10:45 AM)
SPEAKERS: David Simpson (Themis Inc.)

Some things with SQL optimization have been the same for a long time. Others are changing rapidly with the introduction of Version 8 and 9. This presentation reviews the basics of access path analysis with extended discussion of whatís new in the latest releases of DB2. The appropriate place for Visual Explain and Optimization Service Center will also be covered. Letís talk about whatís old, whatís new and how to make the optimizer work for you.

EXP. LEVEL: Beginner,Intermediate


Access path review

The difference between "what" and "why"

Whatís new in V8

Whatís new in V9

Visual Explain & Optimization Service Center

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