(Anne Hoelscher) IBM has reinvigorated the mainframe market in the past year with the z14 and the announcement this month of the open source project, Zowe. 30 years ago as I started my career as a bright-eyed mainframe developer, I received questions and comments from “what is a mainframe?” to “ther

(Jay Limburn) Data can be an organization’s most valued asset, providing insights that help strengthen business. Knowing what works and what does not can help you invest more resources in what would work in the future.

(Jon Paris) In the first part of this series for Guru Classic, I introduced you to the basics of using RPG’s XML-INTO op-code. In that tip I showed how the provision of a count provided by RPG in the PSDS can be used to determine how many of a repeating element were processed

(Nitin Gandhi) In this post we will talk more about the types of index and in next post how indexes works.

(John Campbell, Jennie Chang, and Regina Liu) Db2 12 for z/OS introduces a new partition insertion feature that provides the ability to add a new partition into the middle of an existing partitioned table space.

(Robert Catterall) Almost 5 years ago, I posted to this blog an entry on the question, “How big is big?” in a Db2 for z/OS context. Two areas that I covered in that blog entry are buffer pool configuration size and DDF transaction volume.

(Paul Tuohy) In Getting The Message, Part 1,we saw the definition of a number of message routines (clearMessages(), addMessage(), messageCount() and getMessage()).

(Scott) Would you like Db2 LUW Explains and db2advis.exe to run faster and more efficiently? If so, then this blog is for you! Explain and Db2Advis are applications just like any other, and their performance can be improved by adding indexes to EXPLAIN and ADVISE tables!

(Jan Jorgensen) You sit down in your office and fold your hands behind your neck. You are very pleased with yourself.

(Craig S. Mullins) It is hard to imagine a time when SQL was unknown and not the lingua franca it is today for accessing databases. That said, there are still folks out there who don’t know what SQL is… so for them, here is an introductory place to start…