Mike Bracey

Objectives:
Learn the basics of using DB2 Optimization Service Centre and Optimization Expert for z/OS and how they can solve common SQL Tuning problems.

Outline:
Introduction to Optimization Service Center (OSC) and Optimization Expert (OE)
Tuning workloads
Individual query analysis and tuning
Access plan graph
Query Annotation
The advisors – statistics, query and index
Visual Plan Hints

Full Abstract:
DB2 Optimization Service Centre and Optimization Expert for z/OS are SQL tuning tools with tightly integrated tuning advisors and advanced tuning tools to address both individual SQL statements and SQL workloads. Tuning advisors provide statistics, indexing, and query-rewrite recommendations, while advanced tuning tools like query annotation, access plan graph, query report, and visual plan hint facilitate deep SQL performance analyses when needed.

Presentation will be based on the material presented by Guogen Zhang at the Anaheim IOD and it will include some worked examples.  Simple demonstration wil be included in presentation accordingly to the network access.  Primary goal would be to show that XML in V9 is a straightforward extension of existing relational technology, is simple to use and it works well.