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Enterprise COBOL Programming Part 2

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Video Title Minutes
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00: Course Introduction 8
01: I/O for Raw Data, Stored Data, and Reports 39
02: Conditional Processing with EVALUATE 32
03: Binary Numbers in COBOL 36
04: Structured Programming Logic for Application Programs 43
05: Structured Walkthrough 15
06: Logic for Simple Reports 33
07: Logic for Validation and Error Reports 22
08: Logic for One-Level Control-Break Reports 34
09: Advanced Reports and Dates 29
10: Copybooks and Compiler Options for Debugging 23
11: Logic for Transaction Master Updates 28
12: One-Dimensional Tables Part 1 28
13: One-Dimensional Tables Part 2 22
14: Searching A Table 25
15: More Table Processing 19
16: Course Summary & Evaluation 8
Course Survey
Total: 7 hours 24 minutes

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Description

In Part 2 of Enterprise COBOL Programming online training course, you will continue to learn the basics of Enterprise COBOL application development. The course focuses on various types of sequential I/O, and report writing as well as intrinsic functions and table processing.

In Enterprise COBOL Programming Part 1  you learned the basics of Enterprise COBOL application development as well as coding the four divisions, basic logic, data definition, and sequential I/O processing.

Prerequisites

You will need basic experience with z/OS JCL for JES2 or JES3, and TSO/ISPF and have completed Enterprise COBOL Programming Part 1.

Objectives

As a result of taking this Enterprise COBOL training, you will be able to:

  • Code and run COBOL programs that process raw data or stored data
  • Make appropriate use of copybooks
  • Create new data sets using Transaction Master Logic
  • Create complex reports such as multi-level control break reports
  • Code tables, indices, subscripts, intrinsic functions, and appropriate compile options
  • Search tables using SEARCH, SEARCH ALL and PERFORM

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Prerequisites

You will need basic experience with z/OS JCL for JES2 or JES3, and TSO/ISPF and have completed Enterprise COBOL Programming Part 1.

Enterprise COBOL Programming Part 2 Outline

Module 00: Course Introduction

Module 01: I/O for Raw Data, Stored Data, and Reports

  • Reading Raw Data
  • Writing Stored Data
  • Reading Stored Data
  • Writing Simple Reports
  • Exercise: Basic I/O

Module 02: Conditional Processing with EVALUATE

  • Object EVALUATE
  • Logical EVALUATE
  • Next Sentence vs. Continue
  • Periods
  • Exercise: EVALUATE

Module 03: Binary Numbers in COBOL

  • USAGE IS COMP
  • Data Type comparison
  • Big Binary - COMP-5 and TRUNC(BIN)
  • Efficient coding of COMP numberbers
  • Exercise: Advanced Numbers

Module 04: Structured Programming Logic for Application Programs

  • Functional Decomposition
  • Structured COBOL Code
  • Chaining, Coupling and Cohesion
  • Exercise: Structured Programming Logic

Module 05: Structured Walkthrough

  • What is a Structured Walkthrough
  • How To Conduct One
  • Benefits

Module 06: Logic for Simple Reports

  • Headers, Column Headers and Footers
  • Counting Detail Lines
  • Creating Test Data
  • Exercise: Simple Reports

Module 07: Logic for Validation and Error Reports

  • Error Reports
  • Validating Input Data
  • Defensive Programming, I/O Counters
  • Page # of # Reports
  • Exercise: Error Reports

Module 08: Logic for One-Level Control-Break Reports

  • One-Level Control Break Logic
  • Cover Pages and Trailer/Summary Lines
  • Creating Test Data
  • Exercise: One-Level Control Breaks

Module 09: Advanced Reports and Dates

  • Muliple-Level Control Break Logic
  • Today's Date-Using ACCEPT
  • Pseudo Registers for Dates
  • Intrinsic Functions for Dates
  • Creating Test Data
  • Exercise: Advanced Reports

Module 10: Copybooks and Compiler Options for Debugging

  • COPY and Other Compiler Directing Statements
  • COPYLIB JCL - SYSLIB DD
  • COPY xxx REPLACING xxx BY xxx
  • EJECT and SKIP
  • TEST and SSRANGE compiler options for debugging
  • Exercise: Copybooks

Module 11: Logic for Transaction Master Updates

  • Transaction Master Update Logic
  • Creating Test Data
  • Exercise: Transaction Master

Module 12: One-Dimensional Tables Part 1

  • Table Processing
  • Table Definition, Fixed Length
  • Indexing
  • Display the Value of an Index
  • Initializing a Table
  • Looping Through a Table
  • Exercise: One-Dimension Tables Part 1

Module 13: One-Dimensional Tables Part 2

  • Table Example
  • Initialize a Table Using REDEFINES
  • INITIALIZE verb
  • Initialize a Table with VALUE
  • Exercise: One-Dimension Tables Part 2

Module 14: Searching A Table

  • Searching Using PERFORM
  • Linear SEARCH and Example
  • Binary SEARCH and Example
  • Exercise: Search

Module 15: More Table Processing

  • Subscripts
  • Indexing Vs. Subscripting
  • SSRANGE Debug Option
  • Table Efficiencies
  • Variable-length Tables
  • Exercise: More Tables

Module 16: Course Summary

 

 

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Course Materials

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  • Student Guide
  • Exercise Guide

Important Links

  • Course Survey
  • Class and Machine Exercises
  • Enterprise COBOL Website for IBM Manuals

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System Requirements

Hardware:

  • IBM z/OS with TSO userid and password
  • PC or terminal connectivity to the mainframe

Software:

  • PROC (or equivant JCL or tool) to compile
  • Valid JOB statement
  • Specific JCL names for installation, such as UNIT=for disks

Please note: The hardware and software above will produce the same results as the exercise answers indicate. You can however run the course exercises using Micro Focus COBOL compiler (runs on MS Windows) and acheive the same answers. There are some slight differences: there is no "blocking" of records, records usually end in two extra characters - CR/LF (Carriage Return/Line feed), and the concept of FB (Fixed Block) is unknown on the PC.  Otherwise the COBOL compilers should support most activities within the course.

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