Today’s APAR Friday features two HIPERs that closed this week. As always, HIPERs are APARs that correct serious problems that could affect a large number of DB2 users. These fit that description perfectly if you used the RESTORE SYSTEM utility or take advantage of scalar fullselects that use parallelism…… Continue reading »
blog.This afternoon I thought it would be fun to talk about a change in how parallelism affects your access path selection in DB2 9 for z/OS. Because of that change, we will also need to discuss a new DSNZPARM is being introduced by APAR PM16020 that throws some controls at how the optimizer makes that access path decision…. Continue reading »
blog.We have been waiting for the arrival of this APAR for quite some time. Getting to single enclave support for query parallelism is a pretty big deal, well for at least anyone messing around with parallelism and Workload Manager (WLM) it is. Let me explain to you why….. Continue reading »
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. Plus, there will always be something entertaining posted every once in a while.
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