Introduction to VSAM

Summary

This course will provide a detailed explanation of Virtual Storage Access Method (VSAM) datasets and catalogs. Background information will be given on how to create and maintain files. Ways to optimize performance and provide data security and integrity will be suggested.

Prerequisites

The student should have a basic knowledge of COBOL or ALC.

Duration

3 Days/Lecture & Lab

Audience

This course is intended for personnel involved with the development or maintenance of applications which utilize VSAM.

Topics

• VSAM catalogs
• Allocating space for a file
• Creating, printing, copying and reorganizing VSAM files
• Loading records into a file
• Controlling intervals and control areas
• Alternate indexes
• Coding the logic needed to access VSAM files in application programs

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