Neither the mainframe nor Db2 are slow — poorly designed workloads are slow!

The Greatest Database Risk By Craig Mullins Most organizations think their greatest database risk is downtime. It isn’t.

The Greatest Database Risk
www.linkedin.com/pulse/greate...

Database performance problems are frequently design problems.

The best application modernization strategies respect the mainframe’s strengths

SQL optimization is the highest ROI activity in #Db2 environments

The future of enterprise IT is hybrid.

Modernization fails when it’s treated as migration

Data governance is not bureaucracy — it’s risk management... and as my friend Bob Seiner says, it can be non-invasive!

#Db2 performance tuning is a discipline, not a task

Feeding the Beast: The Challenges of Using Mainframe Data in AI Models
elnion.com/2026/04/10/f...
#data #mainframe #AI

CPU cost reduction starts with SQL efficiency, not hardware changes

Just a reminder that I maintain a list of useful data- and database-related links on my web site. Check it out and feel free to reach out with any I might be missing! www.mullinsconsulting.com/relinks.htm

Regulatory Compliance for Data and Database Systems: Protect Your Sensitive Data Regulatory Compliance for Data and Database Systems: Protect Your Sensitive Data: 9798849583693: Computer Science Books @ Amazon.com

My book "Regulatory Compliance for Data and Database Systems: Protect Your Sensitive Data" delivers an introduction to the regulatory landscape + its impact on data and database systems and management.
#data #compliance
www.amazon.com/Regulatory-C...

The biggest risk in modernization is misunderstanding the workload.

A High-Level Guide for Db2 Database Health Checks Here’s a practical, field-tested 10-point Db2 database health check you can use to quickly assess the state of your environment and identi...

A High-Level Guide for Db2 Database Health Checks
db2portal.blogspot.com/2026/04/a-hi...
#Db2 #performance #healthcheck

My philosophy of #Db2 performance as generated by Gemini based on all of my public writings on the topic. What do you think?

The #mainframe isn’t going anywhere — the data proves it.

Looking forward to reading my good friend Bob Seiner‘s new book The Data Catalyst Cubed.

That is actually a reasonable question because there is SO MUCH that needs to be stopped!

The truth is, #Db2 modernization is about integration, not migration.

The #Db2 Optimizer is powerful — but only if you feed it good statistics.

The future of #Db2 is hybrid — #mainframe + #cloud

That’s a hot one!

The biggest challenge in enterprise IT is complexity, not technology!

The Mainframe is a Modern Platform Mainframes continue to excel at traditional tasks such as high-speed transaction processing and running large batch workloads. Mainframes also can easily handle large amounts of data—multiple…

Modernization is a business decision, not a technical one. And if you are modernizing #mainframe apps call it application modernization, not mainframe modernization, because the mainframe is already a modern platform!
tdan.com/the-mainfram...

The Quiet Erosion of #Db2 for z/OS Expertise
db2portal.blogspot.com/2026/03/the-...

The IBM Z #mainframe is still the gold standard for mission critical workloads.

zIIP redirect for #Db2 for z/OS workload is powerful — but misunderstood. My book explains this and much more... www.amazon.com/dp/B0CLTYN8W...

SQL is the most powerful — and dangerous — language in the enterprise

Db2’s architecture is built for reliability at scale.
#Db2 #Db2z