RPG / RPGLE Training Course (IBM i Application Development using RPG & RPG IV / RPGLE)

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The RPG / RPGLE Training Course is designed to equip participants with the knowledge and hands-on skills required to develop, maintain, and modernize business applications on the IBM i (formerly AS/400).

Participants will learn both traditional RPG programming and modern RPG IV (RPGLE) techniques, including modular programming, integration with databases, and system-level operations. The course also introduces modernization approaches such as free-format RPG and integration with modern technologies.

This training is ideal for organizations maintaining legacy systems while transitioning toward modern, scalable architectures.

 

Duration 5 Days – 40 hrs.

 

Objectives 

  • Understand the architecture and environment of IBM i systems
  • Write and maintain RPG and RPGLE programs
  • Work with database files using DB2 for i
  • Apply structured and modular programming techniques
  • Develop free-format RPG programs
  • Handle file processing, record-level access, and data manipulation
  • Debug and optimize RPG applications
  • Integrate RPG applications with modern systems and APIs
  • Support legacy system modernization initiatives

 

Target Audience 

  • RPG Developers and Programmers
  • IBM i / AS400 System Developers
  • IT Professionals maintaining legacy systems
  • Software Engineers transitioning to IBM i
  • Application Support and Maintenance Teams

 

Prerequisites

  • Basic programming knowledge (any language)
  • Familiarity with databases and file handling concepts
  • Exposure to IBM i environment (helpful but not required)

 

Course Outline 

Module 1: Introduction to IBM i and RPG 

  • Overview of IBM i architecture
  • Introduction to RPG, RPG III, and RPG IV (RPGLE)
  • Development tools and environment
  • Compilation and execution process

Module 2: RPG Programming Fundamentals 

  • RPG syntax and structure
  • Data types and variables
  • Control structures (IF, DO, SELECT)
  • Input/Output operations

Module 3: Working with Database Files 

  • Introduction to DB2 for i
  • File types (physical and logical files)
  • Record-level access and file operations
  • Data reading, writing, updating, and deleting

Module 4: RPGLE (RPG IV) Advanced Concepts 

  • Procedures and modular programming
  • Service programs and binding directories
  • Error handling and exception management
  • Subfiles and user interface basics

Module 5: Free-Format RPG and Modern Development 

  • Fully free-format RPG syntax
  • Code readability and best practices
  • Integration with SQL (embedded SQL in RPG)
  • Calling external programs and APIs

Module 6: Debugging and Performance Optimization 

  • Debugging tools and techniques
  • Identifying and fixing runtime errors
  • Performance tuning strategies
  • Code optimization best practices

Module 7: Integration and Modernization Strategies 

  • Modernizing legacy RPG applications
  • Web services and API integration
  • Connecting RPG with modern front-end systems
  • Migration considerations and hybrid architectures

Module 8: Hands-On Capstone Project 

  • Develop a complete RPGLE application
  • Implement database integration and business logic
  • Apply modular programming and free-format coding
  • Debug, optimize, and present the solution

 

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