Chapter 03 - Database File Processing
The RPG/400 course provides the learner with a comprehensive study of the language with clear examples. It introduces the user to the basic features of RPG/400 and moves on to cover interactive programming, file handling, the use of subfiles in RPG/400, and some advanced topics such as the usage of Data Areas, Data Queues and Data Structures in RPG/400, as well as some error handling techniques.