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Db2 Month
Time to Rethink Db2 Disaster Recovery
For a long time, disaster recovery (DR) in Db2 z/OS environments was mostly about getting systems back online after a major outage. Whether it was a hardware failure, a data center problem, or a natural disaster, the focus was on full system recovery, bringing the...
What’s in a Name? The Untold Story of Db2 for z/OS’s COPYTOCOPY Utility
I spent 27 years at IBM in the Db2 for z/OS Development and Service organization, starting in 1989, when Db2 was already established but not yet the dominant data base leader that it would soon become and continues to be. To be a software engineer there during those...
Removing Duplicates From a List in Elixir
Thanks to the Enum module, in Elixir we can trivially remove duplicates from a list. In the following example, we take a list of integers and pass it to the Enum.uniq/1 function which removes duplicates from the list without altering the original...
Developing with Elixir/OTP Course Review
Ruby was the first programming language I truly fell in love with. Yes, I had used several others before (and have since), but Ruby was and still is something dear to me. I can appreciate the usefulness of Python, the simplicity of Go, and the mind-expanding nature of...
Sorting Results by Specific Values in SQL with CASE
Recently I rewrote the backend for my service, Any New Books, due to an Amazon API change. Generally speaking, rewriting an entire codebase is a bad idea. However, the code was quite old and the API changes rather drastic, so I took the opportunity to rewrite the...
4 Tech Innovations That Could Change Smartphones
Smartphones have gotten so advanced today that it can almost be hard to tell the difference between the top options. That’s not to say you’d literally mix up an iPhone and its Samsung counterpart — but there aren’t too many defining features that really set one apart...
A Case Study: Measuring the Impact of Db2 for z/OS Buffer Pool Changes
Not long ago, a Db2 for z/OS administrator contacted me with a request. His team had made some changes to the buffer pool configuration in their production Db2 environment (the overall size of the buffer pool configuration was increased to reduce read I/O activity,...
Db2 12 In-Memory Feature: Fast Index Traversal
Db2 12 is classified as an in-memory data base by Gartner. It is not just a simple in-memory data base but a very smart one. In this paper, we explain one of the most innovative in memory optimizations in Db2 12. Why In-Memory Optimization in Index? The...
Db2 Month
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Upcoming Events
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Virtual Db2 User Group | My All-Time Db2 Top Ten Lists
Virtual MeetingDate: November 17, 2026 - 11:30am ET Presenter: Craig Mullins What do Db2 performance, application development, database administration, and David Letterman have in common? Top Ten lists, of course! Join […]
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Virtual Db2 User Group | November 17, 2026
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Virtual CICS User Group | Latest Update on Security in CICS TS 6.3: The Journey to Zero Trust
Zoom - Virtual MeetingCICS has been advocating zero trust principles and introducing security-focused enhancements since CICS TS 6.1. This session will explore the latest security capabilities available in CICS TS 6.3 and how […]
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Virtual IMS User Group | December 15, 2026
Zoom - Virtual Meeting
Next-Generation Dual-Architecture Processor, Advances in AI Enablement for Application Modernization, and more
IBM Unveils Next-Generation Dual-Architecture Processor for IBM Z and LinuxONE BMC Survey Finds 94% Confidence in the Mainframe as Enterprises Scale AI With Human Oversight Rocket Software Advances AI Enablement for Application Modernization Across Mission-Critical...
Partnership to Accelerate Secure AI Deployment, Introduction of New Agentic Modernization, and more
IBM Partners with OpenAI to Accelerate Secure AI Deployment for Enterprises Across Core Operations Kyndryl Introduces New Agentic Modernization Services-As-Software Scaled Through Kyndryl Bridge BMC Achieves the AWS AI Competency Kyndryl Named 2026 CIO 100 Award...
Mainframe Jargon Challenge
Every technical field develops its own language, and the mainframe world is no exception. Whether we’re talking about the alphabet soup of multi-letter acronyms or terms that have been part of the platform for decades, mainframe jargon serves as a kind of shorthand...
AI Ranked as Top Priority, Lightwell at No Cost to Universities, and more
Rocket Software Study Reveals 94% of Financial Services Leaders Rank AI as a Top IT Priority IBM Study: One in Four Malicious Breaches are AI-Enabled, Costing Companies $6 Million on Average IBM and Red Hat Offer Lightwell at No Cost to Universities, NGOs and Think...
❓Mainframes at the Movies
With summer blockbuster season upon us, it’s time to turn our attention away from the workaday world of the datacenter to its fictional representation. Mainframes have made memorable appearances on both the big and small screen for decades—sometimes portrayed as...
Izzi Software Launches Z/XDC on Visual Studio Code to Speed Adoption and Boost Mainframe Debugging for the Future
New expansion to top debugging now available, integrating seamlessly into existing workflows and supporting young programmers by improving accessibility MINNEAPOLIS, August 3, 2026 — Izzi Software, owner of ColeSoft, the leading provider of debugging solutions for IBM...