November 16, 2018
- LEAD ARTICLE: TechTip: TechTip: Checking Character and Numeric Data with SQL Functions
- FEATURED ARTICLE: Things That Make Me Go “Hmm”
- FEATURED ARTICLE: ILE RPG Tutorial: Using CALLP to Call an ILE Program
- NEWS HIGHLIGHT: Free Work with Active SQL (WRKACTSQL) Command Get Control of ODBC Jobs
- WEBCAST: IBM i: It’s Not Just AS/400
- MC VIDEO SHOWCASE: Design an Invoice in 10 Minutes
- EVENT: From Awareness to Action: an IBM i Security Panel Discussion
SQL functions that check the validity of character and numeric data in your RPG code can be implemented by using the hexadecimal representation of the data and the SQL predicate REGEXP_LIKE.
By Juan Macias
Considering the hexadecimal representation of data, it doesn't seem to be difficult to find regular expressions that allow us to check whether character and numeric fields contain valid values.
Carol discusses things that are a bit puzzling when it comes to IBM i security settings.
By Carol Woodbury
I wish I could link to a video of my 20-month-old niece putting her chubby little index finger on her chin, cocking her head slightly, and saying “Hmm.” So cute but so darn accurate for this article. Here are some configuration settings examples that have seriously made me say, “Hmm…what was the administrator thinking when they did this? This makes no sense.”
Explore the main considerations you should be aware of before embarking on a (migration or modernization) project. Take a deeper dive into business motivations and factors that could potentially influence your decision to migrate or modernize your existing IT platform and its risks.
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Learn how to use a prototyped call, an alternative to an ILE RPG sub-procedure, to call one program from another
by David Shirey
Editor’s Note: This article is excerpted from chapter 8 of 21st Century RPG: /Free, ILE, and MVC, by David Shirey.
In some situations, when using an ILE sub-procedure in your program, you may want to write the sub-procedure up as a small program and then call it from another program. Granted, that is not technically a sub-procedure, but we will let that go for the moment and concentrate on the call of one program by another.