System i: RPG IV Programming

Course Overview

An all-round introduction to programming in RPGIV on the series

RPGIV is the latest generation of RPG on the iSeries, superseding RPG/400. There are many new techniques available, which when exploited, provide programmers with far more capabilities when compared to earlier versions.

Audience

Application development staff who will be using RPGIV to develop new applications, or maintain existing applications written in RPGIV on the iSeries.

Skills Gained

This course will enable delegates to:

• Code an enquiry program in RPGIV.
• Define the role of database and device files within RPGIV progams.
• Identify the specification types used with RPGIV.
• Use RPGIV programming structures and operation codes.
• Use RPGIV procedures and built in functions.
• Code a load-all subfile program.
• Write a file maintenance application.

Prerequisites

iSeries System Facilities(ISSFC)Introduction to Programming(ITP)or equivalent experience.

Examinations

This course helps delegates to prepare for the IBM Certified Specialist - AS/400 RPGIV Developer, test 267 and the IBM Certified Specialist - AS/400 RPG Programmer, test 266.

Course Outline

• Physical and logical files on the iSeries (AS/400)
• Display files and SDA, display file DDS
• Processing function keys and conditional function keys
• Introduction to programming
• RPGIV and the Integrated Language Environment
• Fields, constants, indicators and figurative constants
• Built in functions and accessing the database
• Writing an enquiry program with RPGIV
• Procedure specifications
• Printer files and printer file DDS
• Structure of a report and record formats
• File handling in RPGIV
• Program and procedure calling
• Introduction to subfiles
• Program status data structure
• Concepts and logic of file maintenance
• Using debug and on-line debug