Articles & Content

Craig S Mullins

Craig S Mullins is president & principal consultant of Mullins Consulting, Inc., is an IBM Information Champion, and an IBM Gold Consultant for DB2. Craig has three decades of experience in all facets of database systems development including developing and teaching DB2 and SQL classes, systems analysis and design, database and system administration, and data analysis and modeling. Craig is a frequent speaker at IT conferences, having spoken about database issues to thousands of folks at conferences such as IDUG, IBM Information on Demand, SHARE, and DAMA. He has spoken at events in North America, Europe, Asia, and Australia.

Note: The content of this blog is the opinion and thoughts of the blogger and does not necessarily represent the opinions of IDUG and should not be construed as reflecting official positions of the IBM Corporation. .

 

 
The Virtual North American IDUG Db2 Tech Conference 2020The IDUG North America Virtual Conference is happening now... and it runs through the end of next week (August 14, 2020), so there is still time to register, attend, and hear about some great Db2 "stuff!"Originally, the event was planned as a weeklong conference to be held early in June in Dallas, T…
Mainframe Earnings Up Big for IBM This week IBM announced earnings results for 2020Q2 and the company reported Systems revenues of $1.9 billion, up 6 percent, led by IBM Z, which was up 69 percent… the mainframe is a shining jewel in IBM’s earnings. Note that the Systems category comprises IBM systems hardware and operating sys…
Take Advantage of the Wealth of Information in Your Db2 LogsThe Db2 for z/OS log sometimes referred to as the transaction log, is a fundamental component of Db2 that is central to all data activity in the database management system. Every change to application data (with a few exceptions) is recorded serially in the log as the change is made. The log is a ke…
Consider Cross-Compiling COBOL to Java to Reduce Costs Most organizations that rely on the mainframe for their mission-critical workload have a considerable amount of COBOL programs. COBOL was one of the first business-oriented programming languages having been first introduced in 1959. Designed for business and available when the IBM 360 became popula…
Db2 11 for z/OS End of Service Date Extended!In an earlier blog post, I wrote about Db2 11 for z/OS End of Support Coming This Year (2020)... but that was before the global COVID-19 pandemic swooped in and changed everything! If you check out that earlier post, you'll even see that I made the comment that the "date appears to be a firm one...…
Db2 12 for z/OS Function Level 507This month, June 2020, IBM introduced a new function level, FL507, for Db2 12 for z/OS. This is the first new function level this year, and the first since October 2019. The Function Level process was designed to release Db2 functionality using Continuous Delivery (CD) in short, quick bursts. Howeve…
Optimizing Mainframe Data Access Nobody can deny that the amount of data that we store and manage continues to expand at a rapid pace. A recent study by analysts at IDC Corporation concludes that the size of what they call The Global Datasphere will reach 175 zettabytes by 2025. This data growth is being driven by many differen…
IBM Think 2020: Virtual, On Demand, Hybrid Cloud and ZThis year’s IBM Think event was quite different than in past years. Usually, Think is an in-person event and attracts a lot of people, typically more than ten thousand IT executives and practitioners. But as we all know, this year with the global COVID-19 pandemic an in-person event was not practi…
Db2 for z/OS and Managing Database Changes - The Recap During the month of April 2020 I wrote a series of blog posts on the different types of Db2 for z/OS database change management and the things to remember and consider... Today, the first day of May, I just wanted to publish a quick recap and links to all of these posts. So without further ado..…
Db2 for z/OS and Managing Database Changes - Part 4Today brings the fourth, and final installment of our series examining the different types of changes that can be made to database objects and structures in Db2 for z/OS. Part 1 introduced the three types of changes, part 2 examined simple database changes, and part 3 took a look at medium, or pendi…