Db2 12 for z OS SQL Performance and Tuning CV964G

Duration: 
3 days
Codes: 
CV964G
Versions: 
12

Overview

This course is designed to teach the students how to prevent SQL performance problems and how to improve the performance of existing SQL.

Audience

This course is for Db2 12 for z/OS application developers, Db2 12 for z/OS DBAs, and anyone else with a responsibility for SQL performance and tuning in a Db2 12 for z/OS environment.

Skills Gained

After completing this course, students will be able to:

  • Understand and design better indexes
  • Determine how to work with the optimizer (avoid pitfalls, provide guidence)
  • Optimize multi-table access
  • Work with subqueries
  • Avoid locking problems
  • Use accounting traces and other tools to locate performance problems in existing SQL
  • and more

Prerequisites

  • Familiarity with SQL
  • Familiarity with Db2 12 for z/OS
  • Familiarity with Db2 12 for z/OS application programming

Course Outline

  • Introduction to SQL performance and tuning
  • Performance analysis tools
  • Index basics
  • Access paths
  • More on indexes
  • Tuning methodology and index cost
  • Index design
  • Advanced access paths
  • Multiple table access
  • Subqueries
  • Set operations (optional)
  • Table design (optional)
  • Working with the optimizer
  • Locking issues
  • More locking issues (optional)
  • Massive batch (optional)

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