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With Geniez, You Can Talk to Your Mainframe in Natural Language

With Geniez, You Can Talk to Your Mainframe in Natural Language

by Penney Berryman | Nov 21, 2025

How Geniez Is Turning Real-Time Mainframe Data Into Fuel for Modern LLMs Amanda Hendley, Managing Editor of Planet Mainframe, met with Gil Peleg, CEO of Geniez, for a conversation about artificial intelligence (AI)—specifically, the future of AI on the mainframe.Read...

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Mainframe Data on the Move: A Security-Centric Perspective, featuring Colin Knight

Mainframe Data on the Move: A Security-Centric Perspective, featuring Colin Knight

by Amanda Hendley | Oct 14, 2025

At the September Virtual Db2 User Group, we hosted Colin Knight, longtime mainframer and Db2 Systems Programming Tech Lead at NatWest. With over 40 years in the field—36 of them working with Db2—Colin cut through the hype to focus on what matters most: security when...

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Virtual Db2 Recap – From Root to Leaf-Managing Index Splits in Db2

Virtual Db2 Recap – From Root to Leaf-Managing Index Splits in Db2

by Amanda Hendley | Jul 2, 2025

Demystifying Page Splitting in Db2: Insights from Saurabh Pandey In a recent technical session, Saurabh Pandey, Lead Product Manager at BMC Software, walked attendees through the often-overlooked but critical topic of Db2 index management—with a spotlight on page...

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Db2 Month at Planet Mainframe: Resilience, Innovation, and a Thriving Community 

Db2 Month at Planet Mainframe: Resilience, Innovation, and a Thriving Community 

by Amanda Hendley | Jul 1, 2025

June was a standout month for Planet Mainframe, as we turned the spotlight on Db2 for z/OS—a cornerstone technology of the enterprise world. This month’s campaign featured expert articles, technical deep-dives, trivia, and live events that brought together voices from...

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Learning from SMF: Managing Db2 Buffer Pools

Learning from SMF: Managing Db2 Buffer Pools

by Karthikeyan Dhanapal | Jun 30, 2025

Unlocking the Value of Cheryl Watson’s Tuning Letter Back Catalog If you work with IBM mainframes, you’ve probably heard of Cheryl Watson’s Tuning Letter, which I now have the pleasure of editing. For decades, it’s been one of the most trusted resources for...

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Inside Db2 for z/OS: How Optimized B+ Trees Power High-Speed Indexing

Inside Db2 for z/OS: How Optimized B+ Trees Power High-Speed Indexing

by Planet Mainframe Admin | Jun 26, 2025

High-quality indexes are critical for fast data access and returns. IBM Db2 for z/OS relies on an advanced data structure called the Optimized Balanced Plus Tree to power high-speed indexing. This structure, an evolution of the classic B+ Tree, helps Db2 deliver...

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Streamlining Your Db2 13 Migration: 7 Steps to Get Ahead

Streamlining Your Db2 13 Migration: 7 Steps to Get Ahead

by Paul Bartak | Jun 25, 2025

Streamline your Db2 13 migration with 7 expert steps from Rocket Software’s Paul Bartak. Plan now to avoid disruption later.

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The Backbone of Resilience: Mainframe DBAs and the Modern Db2 Experience

The Backbone of Resilience: Mainframe DBAs and the Modern Db2 Experience

by Samantha Buhler, Chris Muncan and Chris Muncan | Jun 24, 2025

Enterprise systems don’t stay online by accident. Behind every seamless ATM transaction, insurance policy update, or healthcare claim processed in milliseconds, there’s a mainframe running—and behind that mainframe, a database administrator (mainframe DBA) ensuring...

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Trust Me, You Want an IBM Db2 Analytics Accelerator for Christmas

Trust Me, You Want an IBM Db2 Analytics Accelerator for Christmas

by Greg DeBo | Jun 18, 2025

It’s Db2 month at Planet Mainframe, so what better time to talk about my absolute favorite mainframe technology, the IBM Db2 Analytics Accelerator (we users like to call it IDAA).  What’s Not in a Name If you’ve ever heard me talk about IDAA at a conference, the...

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Caching Query Results with QuickSelect Improves Db2 z/OS Workload Performance

Caching Query Results with QuickSelect Improves Db2 z/OS Workload Performance

by Craig Mullins | Jun 17, 2025

In today’s fast-paced digital landscape, the ability to access and process data as quickly as possible is of utmost importance for businesses striving to gain a competitive edge. As such, a significant trend in the database world is utilizing memory for more types of...

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