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Essentials of Subfile Programming and Advanced Topics in Rpg

Essentials of Subfile Programming and Advanced Topics in Rpg

Essentials of Subfile Programming and Advanced Topics in Rpg
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Essentials of Subfile Programming and Advanced Topics in Rpg Paperback - 1998

by Phil Levinson; Philip J. Levinson; Phil Leninson

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29th Street Pr. Used - Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains.
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Details

  • Title Essentials of Subfile Programming and Advanced Topics in Rpg
  • Author Phil Levinson; Philip J. Levinson; Phil Leninson
  • Binding Paperback
  • Condition Used - Good
  • Pages 260
  • Volumes 1
  • Language ENG
  • Publisher 29th Street Pr, Loveland, Colorado, U.S.A
  • Publication date 1998-04
  • Illustrated Yes
  • Bookseller's Inventory # E19G-01770
  • ISBN 9781882419647 / 1882419642
  • Weight 1.26 lbs (0.57 kg)
  • Dimensions 10.06 x 8.5 x 0.65 in (25.55 x 21.59 x 1.65 cm)
  • Category Computers - Languages / Programming
  • Library of Congress Catalogue Number 98-8863
  • Dewey Decimal Code 005.74

About Wonder Book Maryland, United States

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With 3 stores less than 1 hour outside the DC/Metropolitan area (1 in Gaithersburg, 1 in Frederick and 1 in Hagerstown, MD), we have the largest selection of books in the tri-state area. Wonder Book and Video has been in business since 1980 and online since 1997. We have over 1 Million books for sale on our website and another 1 Million books for sale in our 3 locations. We have a very active online inventory and as such, we can receive multiple orders for the same item. We fill those orders on a first come first serve basis, but will refund promptly any items that are out of stock. Since 1980 it has always been about the books. ALL kinds of books from 95 cent children\'s paperbacks to five figure rare and collectibles. A merging of the old and new is where we started, and it is where we are today. Our retail stores have always been places where a reader can rush in looking for a title needed for a term paper that is due the next day, or where bibliophiles can get lost \"in the stacks\" for as long as they wish. In 2002 USAToday recognized us as \"1 of 10 Great Old Bookstores\", and we have been featured in numerous other newspaper and TV stories including Washington Post and CSpan.

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Reader reviews for Essentials of Subfile Programming and Advanced Topics in Rpg

From the publisher

Today, programs and systems are increasingly screen-based and interactive. Subfiles are the AS/400 tool that lets you display lists of data on the screen for user interaction. Your knowledge of subfiles will increase your marketability and prepare you to move to the next level with confidence.
Essentials of Subfile Programming teaches you to design and program subfiles, offering step-by-step instructions and real-world programming exercises that build from chapter to chapter. You'll learn to design and create subfile records, load, clear, and display subfiles, develop display-file code and RPG code for interactive file maintenance, create pop-up windows for user interaction, and support users with advanced prompting features and Help screens. Advanced topics in RPG will help you link RPG programs and database files, including using the record format level identifier, the OVRDBF (Override with Database File), and OPNQRYF (Open Query File) commands. You will learn how to mine the rich store of data in the file-information and program-status data structures, handle errors, including using the *PSSR subroutine, the INFSR keyword and LO indicators, error messages, and error logs, improve data integrity by using journaling and commitment control, and manage program-to-program communications. (Especially via the power of AS/400 data queues). Three useful appendices cover issues of programming standards and style, testing and debugging programs, and using Screen Design Aid (SDA).
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