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IBM DB2 for z/OS - Application Performance and Tuning (CV963G)


Kurssprache ist Deutsch, die Unterlagen sind in englischer Sprache.

This Application Performance and Tuning course is designed to teach the students how to prevent application performance problems and to improve the performance of existing applications. Students will learn about indexes, table design, locking, and other issues relevant to application performance. This course includes paper exercises and machine exercises designed to reinforce the lecture content.

Hinweis: Dieses Seminar wird in Zusammenarbeit mit dem offiziellen Partner des IBM Global Training Providers Global Knowledge: Integrata AG oder dem IBM Education Delivery und IBM Sales Partner von Arrow ECS: Fast Lane Institute for Knowledge Transfer GmbH durchgeführt.


Introduction to Application Performance and Tuning
List common causes of application performance problems
Evalutate different approaches for detecting the problems
Describe possible solutions
Performance Analysis Tools
Understand components of local response time (LRT)
Identify touch random (TR), touch sequential (TS), and fetch (F) time costs
Utilize VQUBE3 to estimate local response time (LRT)
Locate necessary time values in an accounting trace report
Draw and interpret a bubble chart
Towards Better Indexes
Understand DB2 index structure and usage
Evalute the cost of creating a new index or modifying an existing index
Design the best possible index for a single table query
Describe prefetch operations and multi-index access
Multiple Table Access
Identify various join methods and join types
Predict table join order
Design the best indexes for joining tables
Optimmize correlated and non-correlated subqueries
Utilize UNION, INTERSECT, and EXCEPT operations
Towards Better Tables
Evaluate clustering alternatives
Understand basic rules of nomalization
Consider conditions for denormalization
Define materialized query tables
Learning to Live with the Optimizer
Describe the limitations related to dangerous predicates
Identify situations when the optimizer needs help with filter factor estimates
Massive Batch
Detect performance problems with massive batch jobs
Make batch jobs run faster
Locking Issues
Describe DB2 serialization
Understand transaction locking
Avoid locking problems in application design
Course Summary
Summarize the topics covered in this course


You should have:
- Familiarity with DB2 for z/OS application programming and SQL.


This intermediate course is designed for DB2 for z/OS application developers, DB2 for z/OS DBAs, and anyone else who is responsible for application performance and tuning in a DB2 for z/OS environment.


See contents.


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