Introduction to Subfiles

Duration

2 - 3 hours

Overview

Audience

Personnel requiring knowledge of subfile programming.

Prerequisites

Knowledge of data processing, programming concepts, and the AS/400 Operating System.

Objectives

After completing this course, the student should be able to detail:
  • The features provided by a subfile.
  • The use of subfiles in applications.
  • The subfile record and subfile control format.
  • Commonly used subfile keywords.

Course Content

Unit 1 INTRODUCTION TO SUBFILES PRETEST

Unit 2 SUBFILE CONCEPTS

  • The Features Provided with Subfiles
  • Subfile Concepts
  • Uses for Subfiles

Unit 3 USE OF SUBFILES

  • The Use of Subfiles in Applications
  • Subfiles and Display Files
  • Subfiles and Records
  • Subfiles and Pages
  • An Example Subfile Initialized by the System
  • An Example Subfile Loaded by a Program

Unit 4 SUBFILE DDS BASICS

  • The Subfile Record and Subfile Control Format
  • Defining and Coding a Subfile
  • Subfile Keywords

Unit 5 SUBFILE DDS KEYWORDS

  • Commonly Used Subfile Keywords:
    • SFLSIZ
    • SFLPAG
    • SFLINZ
    • SFLEND
    • SFLDSP
    • SFLDSPCTL

Unit 6 INTRODUCTION TO SUBFILES MASTERY TEST
 
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