Wednesday, September 28, 2022

Db2 for z/OS: GETPAGEs, Predicates, SELECTs and DELETEs

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About 15 years ago, I posted to the blog I maintained while working as an independent consultant (prior to rejoining IBM in 2010) an entry  ...
Tuesday, August 23, 2022

What Db2 for z/OS People Should Know About Data Fabric

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"Data fabric" is an increasingly hot topic in IT circles, and with good reason - an effectively implemented data fabric can delive...
Tuesday, July 26, 2022

What Should a Modern Db2 for z/OS Client-Server Application Environment Look Like?

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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 TC...
Sunday, June 26, 2022

Db2 for z/OS: The Online Path from a Partition-by-Growth Table Space to Partition-by-Range

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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...
Monday, May 30, 2022

Db2 for z/OS: The Online Path from a Multi-Table Table Space to Universal Table Spaces

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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 ent...
Thursday, April 28, 2022

Db2 for z/OS: Answering Some Questions About DBATs (i.e., DDF Threads)

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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...
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Wednesday, March 9, 2022

Thoroughly Assessing Data Security in a Db2 for z/OS Environment - Part 2

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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 da...