Essentials of Subfile Programming and Advanced Topics in RPG IV.
29th street press, duke communications, 1999; 293 pages, illustrations, index.
Condition: Near Fine, oversized softcover, binding is sound and secure, pages clean, unmarked.
Programs and systems are increasingly screen-based and interactive. Subfiles are the AS/400 tool that let you display lists of data on the screen for user interaction... Teaches you to design and program subfiles, offering step-by-step instructions and real-world programming exercises that build from chapter to chapter. Chapters on the Integrated Language Environment (ILE), introduced concurrently with RPG IV, present tools and techniques that support effective modular programming... (from the rear cover).