BLOGS

    Thoughts and opinions from DB2 and technology blogs around the world featured by
    IDUG for our members.

    Willie Favero - Getting the most out of DB2 for z/OS

    Welcome to all things DB2 for z/OS. This is your one stop, your only stop, and your final stop to find out all you'll ever want to know about DB2 for z/OS. We'll be discussing how to upgrade to the latest DB2 version, have detailed "how it works" discussions, some performance tips, maintenance alerts, baby updates, with a few guest posts thrown in occasionally. In addition, you'll find all of the latest DB2 news and gossip, arrival notifications of the latest articles, books, seminars, and teleconferences, along with details on all of the major conferences. I'll occasionally be throwing in a post covering our z/OS operating system and our System z hardware. Plus, there will always be something entertaining posted every once in a while. This is the place you'll find just about anything you need to know to stay current with DB2 for z/OS, z/OS, or System z. This is also the place to get that little bit of lite reading each morning to start your day off on the right foot.

    Note: The content of this blog is the opinion and thoughts of the blogger and does not necessarily represent the opinions of IDUG.

     

     
    Cleaning up after RUNSTATS(Posted Tuesday, May 6, 2015) RUNSTATS, one of the best tools in a DBA?s toolbox. the importance of accurate statistics in the DB2 catalog cannot be over emphasized. To quote a conversation with a good friend: ?When a customer reports a performance problem with a query or query performance regression, the overwhelming root cause can often be the inability to accurately estimate a query?s selectivity. For example, the number of rows certain predicates will qualify is misestimated, resulting in a poor access path choice, which can cause poor and/or unstable performance.?
    Keeping up-to-date on the latest and greatest IBM technology(Posted Monday, May 4, 2015) I guessing since you are reading this, you are in some way a fan of the Mainframe. Since you are a fan, then you have probably heard of, attending a teleconference, or read an article/book about the z13 next generation processor from IBM. However, if you have been busy and just haven?t had the time to get into any of that stuff, I have a great solution for you.
    April 2015 (RSU1503) service package has been tested and is now available(Posted Friday April 10, 2015) Testing for RSU service package RSU1503 is now complete. This April 3, 2015 1st Quarter "1st Quarter Quarterly Report" (104 KB PDF file) contains ALL service through the end of December 2014 not already marked RSU. This service also includes PE resolution and HIPER/Security/Integrity/Pervasive PTFs and their associated requisites and supersedes through February 2
    IBM has some smart, new television ads(Posted Thursday April 9, 2015) This week during the television broadcast of the Masters Golf Tournament (Apr 8-12), we will be running a bunch of new ads showing how IBM is helping the world to run smarter. These are some very nicely done ads and are actually fun to watch. Yes, I know I am a bit biased but I would never let a bias affect all this impartial stuff I write? (smile).
    Why don't you blog that often anymore?(Posted Sunday April 5, 2015) "Why don?t you blog that often anymore?" Good question and one that is both difficult and easy to answer. Let me explain.When I first started my blog there were basically two of us; Chris Eaton?s LUW blog and my DB2 for z/OS blog. In fact, it was Chris that first got me involved in blogging many many years ago, longer before it was the ?in thing? to do. Unfortunately, today almost anyone with access to the Internet has a blog. And there lies the root of my ?goofing off? or why my blog has taken such a huge hit in the last couple of years.
    March 2015 (RSU1502) service package has been tested and is now available(Posted Friday March 6, 2015) Testing for RSU service package RSU1502 is now complete. This March 4, 2015 4th Quarter "2nd Addendum Quarterly Report" (65 KB PDF file) is based on the 4th quarter 2014 service ( RSU1412) and contains ALL service through the end of September 2014 not already marked RSU. This service also includes PE resolution and HIPER/Security/Integrity/Pervasive PTFs and their associated requisites and supersedes through January 2
    Why and How you should be using the DB2 Analytics Accelerator modeling feature(Posted Wednesday, February 18, 2015) The IBM DB2 Analytics Accelerator has been available for over 3 years. The technology has achieved ?Triple Status? with a triple digit number for both customers and units deployed. Customers that are reaping the benefits of blazing fast business insi...
    An updated DSNWMSGS file is now available(Posted Tuesday, February 17, 2015) Sometimes I feel like I am a waling advertisement for DB2 maintenance, like it?s the only thing I blog about. Although it may seem like that (and I actually hope it doesn't), I do try to publish blog entries that cover general information...
    Shake, Rattle, and Roll... and designing it all( Posted Thursday, February 12, 2015 ) Nope, this is not a tribute post to Bill Haley & His Comets. It?s actually about (and here?s the big surprise) our new z13. IBM has put a couple more of what I think a pretty interesting videos about z13 out on YouTube. ...
    When more is not always a good thing(Posted Wednesday, February 11, 2015) Sometimes receiving an extra cup of coffee, a second handful of M&M?s, a few more minutes of sleep, or a little extra time to get to your destination is a good thing. We most all enjoy the occasional ?more?. However it you are talking...

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