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CICS TS - Preprocessor, Conversations and File Control

Duration

4 hours

Overview

The CICS TS - Preprocessor, Conversations and File Control course discusses the use of CICS commands in COBOL and PL/I programs and explains the differences between various conversational processing modes. Information describing how CICS accesses data from Direct and Sequential files is also provided.

Audience

Programmers who require knowledge about application programming in the CICS environment and the Command Level Programming Interface

Prerequisites

Knowledge of basic coding in COBOL, PL/1, or Assembler

Objectives

    After completing this course, the student will be able to:
  • Identify CICS command syntax particularly in COBOL and PL/I programs
  • Recognize the facilities available through the CICS Command Level Programming Interface to efficiently achieve all the standard online terminal network functions
  • Identify how CICS functions are developed by using pseudo-conversational programming techniques
  • Identify how CICS access Direct and Sequential Files

Course Content

The Command Level Preprocessor

The Function of the Translator/Preprocessor
Syntax of CICS Commands
CICS Commands in COBOL
CICS Commands in PL/1
The EXEC Interface Block in Detail

Terminal Conversations

Processing Modes
Pseudo-Conversational Techniques
Disadvantages of Pseudo-Conversational Design
Overcoming the Disadvantages

File Control Commands - Direct Access

Services Provided by CICS File Control
Types of Record Access
Accessing Keyed Files, particularly VSAM
READ, WRITE, REWRITE, DELETE and UNLOCK commands

File Control Commands - Sequential Access

Browsing Commands
STARTBR, READNEXT, READPREV, ENDBR and RESETBR commands

CICS TS - Preprocessor, Conversations and File Control Mastery Test

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