VSAM Utilities

Duration

4 to 5 hours

Overview

Audience

Senior operators, application and system programmers requiring knowledge of VSAM utilities.

Prerequisites

Completion of the Introduction to JCL course or experience using JCL.

Objectives

After completing this course, the student will be able to:
• Identify how to define and manipulate VSAM files using JCL keywords or IDCAMS
• Recognize the IDCAMS commands

Course Content

Introduction to VSAM

Advantages and Disadvantages of Using VSAM files
ESDS, KSDS RRDS, Linear Data Sets, and PDSEs
Catalog Structure and Aliases
Data and Index Components
Control Intervals
Control Areas
Example of KSDS

Defining VSAM Files with IDCAMS

JCL Statements Required to Execute IDCAMS
IDCAMS Commands
The DEFINE CLUSTER Command

Defining VSAM using JCL Keywords

For Sites with SMS Active
Use of JCL Keywords to Create VSAM Files

The IDCAMS ALTER Command

How To Code the ALTER Command

The IDCAMS LISTCAT Command

How To Code the LISTCAT Command

The IDCAMS DELETE Command

How to Code the DELETE Command

The IDCAMS PRINT Command

How to Code the PRINT Command

The IDCAMS REPRO Command

How to Code the REPRO Command