Essentials of Subfile Programming and Advanced Topics in RPG IV

Essentials of Subfile Programming and Advanced Topics in RPG IV

by Phil Levinson

293 pages· 1999· ISBN 9781583040515
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About
Subfiles allow lists of data to be displayed on the screen for user interaction. This book explains how to design and program subfile records and create pop-up windows for user interactions, as well as how to use journaling and commitment control in conjunction with file-information and program-data structures. Advanced topics in this book include linking RPG programs and database files, program-to-program communication, and file security with RPG programs. Also included are real-world programming exercises that build from chapter to chapter.

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