by Robert | Jul 27, 2022 | Uncategorized
The distributed data facility (aka DDF) is the component of Db2 for z/OS that enables data access by applications that connect to Db2 via TCP/IP communication links. DDF has been around for over 30 years, but especially during the past 10 years or so DDF workloads...
by Robert | Jun 27, 2022 | Uncategorized
Last month, I posted to this blog an entry on the long-awaited capability to migrate tables, in an online way, from a multi-table segmented or simple table space to multiple single-table partition-by-growth table spaces (a capability delivered with function level 508...
by Robert | May 31, 2022 | Uncategorized
Back in 2014, I posted an entry to this blog on the topic of getting to universal table spaces from non-universal table spaces. In that entry, I noted that there was an online path (ALTER followed by online REORG) for getting from a "classic" partitioned table space...
by Robert | Apr 28, 2022 | Uncategorized
Sometimes, a DBA will email me a question about Db2 for z/OS, and I'll respond in a pretty comprehensive way, and I'll look at that outbound message and think to myself, "Hmm. I may have written most of a blog entry there." This is one of those cases. I recently...
by Robert | Mar 10, 2022 | Uncategorized
In part 1 of this two-part blog entry on thoroughly assessing data security in a Db2 for z/OS environment, I covered four aspects of Db2 data protection: privilege management, client authentication, data encryption and column masks/row permissions. In this part 2...
Recent Comments