World of Db2

A Few Details on the TRUNCATE Statement

TRUNCATE is a simple, yet frequently forgotten way to remove data from your Db2 tables.

The TRUNCATE statement is simply a quick way to remove allof the data from a table. The table can be in any type of table space. And the table can be a declared global temporary table. If the tablecontains LOB or XML columns, the corresponding table spaces and indexes arealso truncated.

For clarification, consider the following example:…

The Many Types of Mainframe Pricing

Whenever somebody starts talking about software pricing on themainframe, or tuning to save on their monthly mainframe bill, I always wonderjust exactly "what" they are talking about. Are they aware of all their company’slicensing agreements and all the intricacies they contain?…

Some Under-the-Radar Db2 13 for z/OS Features to Consider

Db2 13 for z/OS has been available for some time now, and soon (December 2025) it will be the only version of Db2 supported by IBM. So, we all should be either using Db2 13 already, or well into the process of migrating to Db2 13.

With that in mind, here are a few a lesser-known but compelling new features in Db2 13 for z/OS. That is, these enhancements have not received as much attention as the more news-hogging AI and performance new features. …

Mainframe Relevance in an AI-First Era: How Db2 Fits

For decades, the IBM Z mainframe has been the backbone of mission-critical computing. Db2 for z/OS sits at the center of this story, reliably managing the world’s most sensitive and high-value data. Yet in today’s IT landscape, dominated by discussions of artificial intelligence (AI), machine learning, and data-driven transformation, the question inevitably arises: 

Where does Db2 fit in an AI-first…