Many organizations depend on enterprise applications to manage daily business operations, financial records, inventory, manufacturing processes, and customer transactions. Behind these applications, established enterprise platforms continue to handle complex workloads with reliability and consistency. IBM AS400, now known as IBM i, is one such platform that remains important in enterprise technology environments.

As businesses maintain existing applications and explore new development approaches, the need for professionals who understand IBM i technologies Continues. IBM AS400 Training provides an opportunity to learn the platform's architecture, programming languages, database technologies, and application development processes.

From RPGLE programming and CL commands to Db2 for i and SQL development, this training can help learners build a foundation for working with enterprise applications. It is relevant to fresh graduates, experienced programmers, application support professionals, and IT specialists interested in IBM i technologies.

Understanding IBM AS400 and IBM i

IBM AS400 was introduced as an integrated business computing platform. Over time, the technology evolved into IBM i, an operating system available on IBM Power Systems.

IBM i provides an integrated environment for running enterprise applications, managing databases, processing transactions, and supporting business workloads. Its architecture combines operating system services, database capabilities, security, and development technologies.

Organizations across industries use IBM i environments for applications that support important business activities. These may include financial management, order processing, inventory control, distribution, manufacturing, and customer account management.

Professionals learning this platform generally work with technologies such as:

• IBM i operating system fundamentals
• RPG and RPGLE programming
• CL and CLLE programming
• Db2 for i database management
• SQL development
• Integrated Language Environment (ILE)
• Application debugging and troubleshooting
• IBM i system operations

Understanding these areas helps learners see how enterprise applications are created, executed, and maintained.

Why Should You Learn IBM AS400?

Learning IBM AS400 can be valuable for professionals interested in enterprise application development and support. Many organizations have established IBM i applications that require maintenance, enhancements, integration, and performance improvements.

A structured learning program helps learners understand the technology behind these systems.

Build Enterprise Programming Knowledge

IBM i supports business applications that process important organizational information. Learning its programming environment introduces developers to application logic, data processing, file handling, and program execution.

Develop RPGLE Programming Skills

RPGLE is an important development technology within the IBM i ecosystem. Modern RPG programming includes free-form syntax, procedures, and modular application development.

Learning RPGLE can help professionals understand existing programs and develop new functionality for enterprise applications.

Strengthen Database Development Skills

Db2 for i is integrated into the IBM i environment. Database knowledge is essential when working with business applications that store and process large amounts of information.

Training helps learners understand database structures, SQL statements, data relationships, and query development.

Understand Application Support

Enterprise applications require regular monitoring, troubleshooting, and maintenance. Knowledge of IBM i commands, jobs, programs, and database objects can help professionals understand common application support activities.

Explore Application Modernization

Organizations may gradually improve established applications instead of replacing entire systems. Learning modern RPG, SQL, ILE, and integration concepts can help developers understand different modernization approaches.

Important Modules in an IBM AS400 Training Course

A well-planned IBM AS400 Training Course should introduce learners to the platform before moving into programming and database development. The following modules provide a useful learning structure.

1. IBM i Architecture and Environment

The first stage introduces the platform and explains how its resources are organized.

Topics may include:

• Introduction to IBM AS400 and IBM i
• System architecture and operating system concepts
• Libraries and library lists
• Objects and object types
• Source physical files and members
• Jobs and job queues
• Subsystems
• User profiles and basic security
• Common system commands

These fundamentals help learners understand how applications and system resources interact.

2. RPG and RPGLE Programming

RPG is a core technology for developing business applications on IBM i. Professionals often need to understand both established RPG code and modern programming approaches.

A practical RPGLE training module may cover:

• RPG programming fundamentals
• RPG IV concepts
• RPGLE source structure
• Fixed-format and free-form RPG
• Variables and data types
• Data structures and arrays
• Conditional statements and loops
• Subroutines and subprocedures
• File operations
• Program calls
• Error handling
• Compilation and debugging

Modern free-form RPG is particularly useful for improving code readability and supporting maintainable development practices.

3. CL and CLLE Programming

Control Language, commonly known as CL, is used for system commands, program execution, and automation within IBM i.

Learners may explore command syntax, variables, conditional processing, program calls, and job-related operations.

Other important topics include:

• CL program creation
• CLLE programming fundamentals
• Message handling
• Data areas
• Data queues
• Batch processing
• Error monitoring
• Job submission and management

These concepts are useful for developers and administrators who work with automated enterprise processes.

4. Db2 for i Database Development

Db2 for i provides relational database capabilities within IBM i. Understanding database operations is important for developing and maintaining business applications.

Training may introduce:

• Database fundamentals
• Physical and logical files
• Tables and views
• Database relationships
• Indexes
• Data manipulation
• Database constraints
• Stored procedures
• Triggers
• Query management
• Database performance concepts

This knowledge helps professionals understand how enterprise applications store, retrieve, and update business information.

5. SQL Programming for IBM i

SQL is widely used for database development and data management. Learning SQL alongside RPGLE provides a broader understanding of IBM i application development.

Important concepts include:

• SQL syntax and statements
• SELECT queries
• INSERT, UPDATE, and DELETE operations
• Joins and subqueries
• Views and indexes
• Embedded SQL
• Stored procedures and functions
• Cursors
• Query analysis and optimization

Practical exercises can help learners understand how SQL supports application logic and database operations.

6. Integrated Language Environment (ILE)

ILE provides a framework for building modular applications on IBM i. It allows developers to organize code into reusable modules and service programs.

Training may cover modules, binding, activation groups, procedures, and service program concepts.

Understanding ILE helps developers structure applications in a way that supports reuse, maintenance, and future enhancements.

IBM i Modernization and Current Development Practices

Application modernization is an important consideration for businesses operating established IBM i environments. Organizations may need to improve application structure, simplify database access, introduce modern interfaces, or connect existing systems with external applications.

Modernization does not always require a complete application replacement. A gradual approach can help organizations improve selected components while preserving essential business functionality.

Professionals interested in IBM i Modernization Training can explore the following areas:

• Converting older RPG code to free-form RPG
• Developing modular applications with ILE
• Using SQL for database development
• Improving Db2 for i database structures
• Connecting applications through APIs and web services
• Working with modern development tools
• Implementing source control practices
• Understanding automated testing
• Improving application performance
• Supporting secure application integration

IBM's recent modernization guidance also discusses free-format RPG, ILE modularity, SQL-based database design, automated testing, and Db2 for i performance optimization. These subjects can help developers understand practical approaches to evolving existing applications.

Who Can Benefit from IBM AS400 Training?

IBM AS400 training is relevant to professionals who want to develop or strengthen their knowledge of enterprise application technologies.

Fresh graduates: Candidates with basic programming knowledge can use the course to explore enterprise development and IBM i fundamentals.

Software developers: Programmers interested in RPGLE, CL, SQL, and business application development can expand their technical skills.

RPG programmers: Experienced developers can strengthen their knowledge of modern RPG practices and modular application development.

Database developers: Professionals working with relational databases can explore Db2 for i and SQL-based development.

Application support engineers: Support professionals can improve their understanding of program execution, database operations, and troubleshooting.

System administrators: IT specialists responsible for IBM i environments can develop knowledge of system commands, jobs, subsystems, and resource management.

Career Opportunities After IBM AS400 Training

IBM i knowledge can support career development in enterprise software, application maintenance, database development, and system administration.

Depending on qualifications and experience, professionals may consider roles such as:

• IBM i Developer
• IBM AS400 Programmer
• RPGLE Developer
• RPG Programmer
• IBM i Application Developer
• Db2 for i Developer
• AS400 Technical Consultant
• IBM i System Administrator
• Application Support Engineer
• IBM i Modernization Specialist

Employers may look for practical programming ability, database knowledge, troubleshooting skills, and experience with business applications.

Training provides a foundation, but professional growth also depends on hands-on practice, project exposure, problem-solving ability, and continuous learning.

How to Select the Best IBM AS400 Online Training

Choosing an appropriate course can make a significant difference to the learning experience. Before enrolling in IBM AS400 Online Training, consider the following points.

Review the Course Curriculum

Check whether the syllabus includes IBM i fundamentals, RPGLE, CL, Db2 for i, SQL, ILE, and debugging. Choose a program that matches your current knowledge and learning objectives.

Prioritize Hands-On Practice

Practical exercises help learners understand programming concepts and apply them to realistic business scenarios. Ask whether the course includes coding assignments and access to an IBM i practice environment.

Check Trainer Experience

An experienced trainer should be able to explain technical concepts, demonstrate development workflows, and discuss common challenges encountered in IBM i environments.

Understand the Training Format

Compare live instructor-led training, one-to-one sessions, and self-paced learning. Select a format that fits your schedule and provides sufficient opportunities to clarify doubts.

Explore Modern Development Topics

Look for exposure to free-form RPG, SQL-based development, ILE, application integration, and modernization practices. These subjects can help learners understand how IBM i development continues to evolve.

Confirm Certification Information

Ask whether the course includes a completion certificate or preparation for a separate professional certification. A training certificate and an official vendor certification should not be treated as equivalent.

Frequently Asked Questions About IBM AS400 Training

What is IBM AS400 Training?

IBM AS400 Training teaches learners about the IBM i platform, including RPGLE programming, CL commands, Db2 for i, SQL, system fundamentals, and enterprise application development.

Is IBM AS400 still relevant?

Yes. IBM i continues to support enterprise workloads and business-critical applications. Organizations may maintain and modernize these environments according to their technical and business requirements.

Which programming language is used in IBM AS400?

RPG and RPGLE are important programming languages in IBM i environments. Developers may also work with CL, SQL, and other supported technologies.

Is RPGLE suitable for beginners?

Yes. Beginners can learn RPGLE after understanding basic programming concepts and IBM i fundamentals. Starting with simple programs and gradually progressing to database operations is a useful approach.

What is Db2 for i?

Db2 for i is the integrated relational database management system available within the IBM i environment. It supports data storage, retrieval, management, and SQL-based operations.

Can I learn IBM AS400 online?

Yes. Online courses can provide instructor-led explanations, practical exercises, and learning resources. Before enrolling, confirm the course syllabus and availability of a suitable practice environment.

Conclusion

IBM AS400 remains an important technology within enterprise computing, supporting applications that organizations depend on for business operations and transaction processing. Developing skills in IBM i architecture, RPGLE, CL, Db2 for i, SQL, and application modernization can help professionals build a strong foundation in enterprise development. A practical learning approach that combines programming exercises with database concepts and real-world application scenarios can make the learning process more effective. Multisoft Virtual Academy provides IBM AS400 Training designed to help aspiring developers and experienced IT professionals strengthen their IBM i programming, database management, and enterprise application development knowledge.

Originally Content Posted at: https://www.multisoftvirtualacademy.com/blog/ibm-as400-training-learn-ibm-i-programming-and-development