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DB2 11 for z/OS Application Performance and Tuning

DB2 11 for z/OS Application Performance and Tuning

Category: DB2

Description

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.

Audience

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.

Duration

5 days

Requirements

You should have:

  • Familiarity with DB2 for z/OS application programming and SQL.

Curriculum

  • 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 nomalizatio/li>
  • Consider conditions for denormalizatio/li>
  • 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 serializatio/li>
  • Understand transaction locking
  • Avoid locking problems in application desig/li>
  • Course Summary
  • Summarize the topics covered in this course

Classes

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Engaging

Engaging platform with gamification for collaboration and friendly competition.

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Interactive online trainings and live webinars available.

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Q&A

  • Can you customize courses to suit our particular requirements? Yes, of course. We offer training consultancy and we establish the most appropriate solution according to the specific needs and business objectives of your company. Contact us and we’ll find the best training solution for you.
  • Can individuals use your services or they are organized for companies?Yes, we organise open courses which can be accessed by individuals. Whether you are looking for an IT or a Business training, you can find it at Brain Concert. Moreover, you’ll meet people from the same area of work as you and we can create communities of practice, where you can share professional tips and tricks and best practices.
  • What types of trainings are available for my company? We offer a variety of courses: in the IT area, there are Agile & Lean Courses, Software Development Courses, QA Courses, Software Administration Courses and Security Courses. We also offer Business Courses, focused on the development of soft skills. Define your objectives and choose the most appropriate training for you or your company.
  • What should I know before choosing a training? You should know that we offer courses for everyone, but you have to choose according to some criteria. First, define your objectives, then, the level of the participants (basic, advanced). There are courses with some requirements attached because the participants of a training session must form a compact group in terms of their previous knowledge so that they and the trainers are on the same page.
  • What is the minimum number of participants if we want in-house training? The minimum number of participants for an in-house depends on the course type. Please contact us to establish these details.
  • Can you organize virtual training sessions or only face to face trainings? Yes, you can choose an online or offline training session. We use Knolyx, an e-learning platform to make the process of online training delivery as efficient as a face to face training session.