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Labs - COBOL (z/OS) – COBOL and VSAM Data Set File Processing

Duration

4 hours

Overview

The Labs – COBOL (z/OS) – COBOL and VSAM Data Set File Processing course provides a range of exercises that can be run in your organization’s mainframe training sandbox. Exercises in this course focus on copying data into a VSAM data set, and then for part of that data to be updated.

Audience

Programmers who need to use COBOL in a z/OS environment.

Prerequisites

    A solid understanding of COBOL or the successful completion of the following Interskill courses:
  • COBOL Programming - Basics
  • COBOL Data and Datafile Definitions
  • COBOL Programming Manipulating Data
  • COBOL Programming Advanced
  • IBM COBOL for z/OS
  • Labs COBOL (z/OS) COBOL Basics
  • Labs COBOL (z/OS) COBOL and Sequential Data Set File Processing

Objectives

    After completing this course, the student will be able to:
  • Read records from a sequential data set into a VSAM KSDS
  • Modify VSAM KSDS Records

Course Content

Moving Records to a VSAM KSDS

Creating a VSAM KSDS
Defining a VSAM Output File Definition
Reading Records from a Sequential Data Set
Writing Records to a VSAM File
Questions

Updating VSAM Records

Opening a VSAM KSDS for Input and Output Processing
Reading VSAM Records
Modify the Value of a Record Field
Re-write the Record to the VSAM Data Set
Questions

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