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October 7, 2020
Issue Highlights
October 7, 2020 | Volume 16 Issue 51
- LEAD ARTICLE: Practical SQL: SQL Monitor Part 3, the Program Logic
- FEATURED ARTICLE: RPG Academy: UI Modernization, Part 3—Introducing the MVC
- FEATURED NEWS: Tragedy for MC Press Author
- FEATURED eBOOK: UPDATED: Developer Kit: Making a Business Case for Modernization and Beyond
- WEBCAST: IBM i in 2020: It’s Not Just AS/400
- FEATURED VIDEO: Design an Invoice in 10 Minutes
- EVENT: MAGiC Annual Conference
Lead Article - Programming
Practical SQL: SQL Monitor Part 3, the Program Logic
Using identity fields in RPG requires a little SQL, but that SQL can coexist with traditional record-level access, as this monitor program illustrates.
By Joe Pluta
In my last two articles (1, 2), I presented a business requirement that could be met by creating a data model with an identity field. Identity fields are very powerful, but they are best handled using SQL. This particular program makes use of a number of different ILE techniques, so we should dive right in.
Industry News
IBM Quantum Computer Demonstrates Next Step Towards Moving Beyond Classical Supercomputing
Analytics & Cognitive News
IBM News
IBM Industry News
Feature Article - Programming
RPG Academy: UI Modernization, Part 3—Introducing the MVC
Time to introduce a conceptual (but rather useful) new tool for your arsenal: the MVC. No, it’s not a new type of vehicle! It’s the model-view-controller model.
By Rafael Victória-Pereira
The multi-tier architecture implementations shown in the previous TechTip are a step in the right direction, but they have its limitations:
- You’re still bound by the DDS limits—Your UIs will still be text-based and limited to a 24x80 or 27x132 green-screen resolution.
- Your code is not truly separated—Code for screen handling and control flow is still intertwined. It’s true that this approach makes it much easier to maintain, but you still have some code that is not where it should be. This also means that your “UI expert” also has to be the “control flow expert,” when these can be different tasks.
Featured News
Tragedy for MC Press Author
Help the man who helped you navigate your career.
By Victoria Mack
If you’ve read MC Press Online, formerly Midrange Computing magazine, you likely fondly remember author Thomas M. Stockwell. His decades of commentary and analysis on a wide variety of industry-relevant topics made him a favorite of readers.
White Papers
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Webcast
Node Webinar Series Pt. 1: The World of Node.js on IBM i
Have you been wondering about Node.js? Our free Node.js Webinar Series takes you from total beginner to creating a fully-functional IBM i Node.js business application.
Part 1 will teach you what Node.js is, why it's a great option for IBM i shops, and how to take advantage of the ecosystem surrounding Node.
In addition to background information, our Director of Product Development Scott Klement will demonstrate applications that take advantage of the Node Package Manager (npm).
watch now!
Low Code: A Digital Transformation of Supply Chain and Logistics
Learn how businesses leverage Low-Code to continue to deliver value through digital transformation. Discover how the power of Low-Code is helping many businesses evolve their supply chain, increase ROI, and achieve more tangible results.
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Featured Article - Programming
UPDATED: Developer Kit: Making a Business Case for Modernization and Beyond
Businesses that use “legacy” systems and applications face unique challenges, including loss of competitiveness, inefficiency due to manual processes, and an aging development workforce. Developers and technical leaders on these systems are in a key position to influence how to overcome these challenges, but often find it difficult to communicate solutions to management.
By Profound Logic Software, Inc.
Editor's note: This article introduces the updated white paper Developer Kit: Making a Business Case for Modernization and Beyond, which is free to download from the MC White Paper Center.
With the right solutions, it’s possible to extend existing IT investments, transform out-of-date applications and processes, and remain highly competitive, without the consequences of a rip-and-replace. Carefully craft these solutions into a compelling business case, and they can become a reality for your company.
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