Db2 12 for z/OS SQL Performance and Tuning Training

Db2 12 for z/OS SQL Performance and Tuning Training is aimed at professionals to teach them the leading methodologies to prevent SQL performance problems.

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Course Overview

Db2 12 for z/OS SQL Performance and Tuning Training is aimed at professionals to teach them the leading methodologies to prevent SQL performance problems.

This technical course contains the best practices to enhance the performance of existing SQL. Our enterprise training program is ideal for organizations and companies.

It helps professionals gain a better understanding of indexes and improves their index designing abilities.

In this course, you will learn the best methods to optimize multi-table access and figure out how to operate with the optimizer.

This program is suitable for Db2 for z/ OS DBA and DBA 12 for Z/OS application developers and individuals whose work revolves around SQL Performance.

This technical training program helps you operate with subqueries and teaches you to utilize accounting traces and other tools to spot performance issues in existing SQL.

Mode of Training

🏫 Classroom 💻 Live Online 🧪 Blended 👨‍👩‍👧‍👦 Private Group

What you will learn

Designing and understanding better indexing.
Optimizing multi-table authorizations.
Working with sub-queries.
Avoiding lock difficulties.
Figure out working with optimizer such as providing guidance and avoiding pitfalls.
Utilize account tracing along with another tool and locating performance issues in pre-existing SQL.

Who Should Attend This Course?

The training is intended for Db2 12 for z/OS app developers.

However, the primary audience for this training are Db2 12 for z/OS DBAs or professionals working in SQL tuning and performance in for z/OS environment.

Prerequisites

Familiarity with SQL, Db2 12 for z/OS, and application programming

DB2 Family Fundamentals

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📘 Db2 12 for z/OS SQL Performance and Tuning Outline

Performance issues
Simple example
Visualizing the problem
Summary

Components of response time
Time estimates with VQUBE3
SQL EXPLAIN
The accounting trace
The bubble chart
Performance thresholds

Indexes
Index structure
Estimating index I/Os
Clustering index
Index page splits

Classification
Matching versus Screening
Variations
Hash access
Prefetch
Caveat

Include index
Index on expression
Random index
Partitioned and partitioning, NPSI and DPSI
Page range screening
Features and limitations

Methodology
Index cost: Disk space
Index cost: Maintenance
Utilities and indexes
Modifying and creating indexes
Avoiding sorts

Approach
Designing indexes

Prefetch
List prefetch
Multiple index access
Runtime adaptive index

Join methods
Join types
Designing indexes for joins
Predicting table order

Correlated subqueries
Non-correlated subqueries
ORDER BY and FETCH FIRST with subqueries
Global query optimization
Virtual tables
Explain for subqueries

UNION, EXCEPT, and INTERSECT
Rules
More about the set operators
UNION ALL performance improvements

Number of tables
Clustering sequence
Denormalization
Materialized query tables (MQTs)
Temporal tables
Archive enabled tables

Indexable versus non-indexable predicates
Boolean versus non-Boolean predicates
Stage 1 versus stage 2
Filter factors
Helping the optimizer
Pagination

The ACID test
Reasons for serialization
Serialization mechanisms
Transaction locking
Lock promotion, escalation, and avoidance

Skip locked data
Currently committed data
Optimistic locking
Hot spots
Application design
Analyzing lock waits

Batch performance issues
Buffer pool operations
Improving performance
Benefit analysis
Massive deletes

Still have questions?

Reach out to our learning advisors for personalized guidance on choosing the right course, group training, or enterprise packages.

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What You Get with Microtek Learning

Instructor-Led Excellence

✓ Certified Instructor-led Training
✓ Top Industry Trainers
✓ Official Student Handbooks

Measurable Learning Outcomes

✓ Pre- & Post-Training Assessments
✓ Practice Tests
✓ Exam-Oriented Curriculum

Real-World Skill Building

✓ Hands-on Activities & Scenarios
✓ Interactive Online Courses
✓ Peer Collaboration (Not in self-paced)

Full Support & Perks

✓ Exam Scheduling Support ^*
✓ Learn & Earn Program ^*
✓ Support from Certified Experts
✓ Gov. & Private Pricing ^*

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For over 10 years, Microtek Learning has helped organizations, leaders, students and professionals to reach their maximum potential. We have led the path by addressing their challenges and advancing their performances.