Articles & Content
Topic: 2006 NA
Subtopic: DB2 for LUW
DATE: 2006-5-8 (10:20 AM - 11:30 AM)
SPEAKERS: Tom Eliaz (DB2 UBD for LUW Query Optimizer Organization )
The DB2 optimizer is one of the most sophisticated in the industry; however, even after perfect performance tuning, it can occasionally "get it wrong." This talk teaches you how to use optimization profiles to directly influence the optimizer's choice of access method, join method, and join order.
EXP. LEVEL: Advanced
How to influence the optimizer's choice of access method, join method, and join order
How to influence the query rewrite transformations applied by the optimizer
How to put optimization profiles into effect without making application changes
How to determine which optimization profiles were applied, and why others were not
Basic optimizer tuning tips
This file is being provided by IDUG. We would encourage you to join IDUG to get full access to all of our files and resources. Joining IDUG is FREE and signing up is simple. Click here to join! or login!Click to Download
NOTE: These are only open to members of IDUG. If you are not a member, please CLICK HERE for more information.