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CICS - Storage and Transient Data

Duration

4 hours

Overview

This course looks at some of the features provided by CICS for application programs, including; storage, temporary storage queues, and transient data queues.

Audience

Applications and Systems Programmers who need to understand the methods used by CICS programs when accessing, and updating, file data.

Prerequisites

Completion of the Program Control and Communication course, or equivalent knowledge.

Objectives

    After completing this course, the student will be able to:
  • Explain how a CICS program acquires, releases, and shares storage
  • Explain what a CICS Temporary Storage queue is and how it is used
  • Describe the purpose of a CICS Transient Data queue is and how it is used

Course Content

Storage for CICS Programs

Program Storage Management
Dynamic Storage Area
Storage Protection
Using Program Variables
Transaction Work Area
CICS GETMAIN and FREEMAIN Commands
Common Work Area (CWA)
Serialization of Shared Storage
Terminal Control Table User Area (TCTUA)

Temporary Storage Control and Commands

Temporary Storage Purposes
Temporary Storage Queues
Temporary Storage Queue Locations and Attributes
Temporary Storage Queue Limits
CICS WRITEQ and READQ Commands
CICS DELETEQ Command

Transient Data Control and Commands

Transient Data Purposes
Attributes of Transient Data Queues
Transient Data Queue Limitations
Intrapartition and Extrapartition Transient Data Queues
Commands used to Interact with Transient Data Queues

Storage and Transient Data Mastery Test

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