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...
by Robert | Feb 25, 2022 | Uncategorized
I regularly get questions from Db2 for z/OS people that pertain to data security. Most of the time, these questions have a pretty narrow focus - a DBA, for example, wants to know more about Db2 roles and trusted contexts, or about SECADM authority, or about "at-rest"...
by Robert | Jan 20, 2022 | Uncategorized
I've written several blog entries on the REST interface to Db2 for z/OS, including one posted early last year. How does it work? Pretty simple: you first code a SQL statement that you want to make REST-invokable; then, you create a REST service associated with that...
by Robert | Dec 29, 2021 | Uncategorized
Recently I've encountered some situations in which organizations running Db2 for z/OS in data sharing mode had lock structures that were not sized for maximum benefit. In this blog entry, my aim is to shed some light on lock structure sizing, and to suggest...
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