September 7, 2022
- LEAD ARTICLE: SQL 101: DML Recap—Joining Tables, Part 1
- FEATURED ARTICLE: /Free Control Statements, Part 2
- NEWS HIGHLIGHT: The Virtual Enterprise: Building a More Connected, Expansive Business
- FEATURED NEWS: VMware and IBM Give Clients New Ways to Modernize Hybrid Cloud Environments in Regulated Industries
- WEBCAST: Low Code: A Digital Transformation of Supply Chain and Logistics
- FEATURED VIDEO: Barcode400
- EVENT: 2022 September OCEAN Meeting - IBM i Security Expert Robin Tatam in Person
They say no man is an island. We’re social creatures and (most of us) need to live in a community. In a properly structured database, no table is an island either, so we need to know how to join them in our queries.
By Rafael Victória-Pereira
Listing the contents of a table, even with comparisons (or search conditions) that constrain the output, as shown in the previous TechTip, is a bit limited in a real-life situation. Typically, our queries are built using information from multiple tables. I’ll go through almost all the ways you can join tables in SQL; I’ll leave a special type of join, called EXCEPTION JOIN, for later. Let’s start with the simplest of them all: the INNER JOIN.
DO Stuff: There’s an old programmers’ adage: “Where there’s an IF, there’s a DO,” and darned if it isn’t true.
By David Shirey
Editor's Note: This article is excerpted from chapter 5 of 21st Century RPG: /Free, ILE, and MVC, by David Shirey.
Fortunately, most of what we said for IFs is true for DO loops.
The DO itself has been eliminated from /Free (use FOR). And the DOWGT, DOULT, and others of that ilk are out as well.
What you are left with is simpler and more straightforward: DOW and DOU with a conditional statement. The basic syntax is:
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.
More than ever, there is a demand for IT to deliver innovation.
Your IBM i has been an essential part of your business operations for years. However, your organization may struggle to maintain the current system and implement new projects.
The thousands of customers we've worked with and surveyed state that expectations regarding the digital footprint and vision of the companyare not aligned with the current IT environment.
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).
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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IBM will be first VMware partner to combine consulting expertise and new jointly engineered cloud solutions for clients running mission-critical workloads in VMware-based environments
By IBM Corporation
VMware Inc. and IBM today announced at VMware Explore 2022 an expanded partnership to help global clients and partners modernize mission-critical workloads and expedite time to value in hybrid cloud environments. The expanded relationship includes IBM Consulting as a VMware GSI partner, the companies’ intent to deliver new jointly engineered IBM and VMware Cloud solutions and joint development and go to market. Together, IBM and VMware are planning to help clients in regulated industries such as financial services, healthcare and public sector address the cost, complexity and risk of migrating and modernizing mission-critical workloads in the cloud.