One could say that we are almost at the end of our journey. The DB2 11 Application Developer for z/OS certification test consists of 10 sections so this writing should be the end of the story, right? Well, sort of.
First, thank you if you read these blogs, hopefully you found them interesting and
Have you ever thought about using XML in DB2 for z/OS, but were afraid that you would need to study a lot of material before you could actually begin? Don’t worry! You do not need to know much before you start. You can get by with basic DB2 for z/OS knowledge.
This part of the certification test is about the application lifecycle. It is not about the methodology you should adopt, it is about the generic tasks you should consider like testing, verifying the results, test data, and performance. And of course, main focus here is DB2 and SQL.
A good application should be a good citizen in the environment it is living in. Applications must also cope with situations where some of the actions (like updating rows) may fail because of other applications doing the same task.
“As time goes by…..” DB2 for z/OS continues to enhance support for temporal data. The functionality has been extended several times. The subject of this article is one of the temporal extensions, the temporal special registers, introduced in DB2 11 for z/OS.