Diving a bit deeper into examples where an application design that used to be efficient can become overly expensive.
Microservice architectures are trending. We need to consider how this impacts the performance of our applications and the databases we build to support them.
“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.
I like to joke that time travel in SQL is fraught with peril. So, we need to be careful when time traveling but more importantly we need to have an understanding of how time travel applies to our business. This is critical in getting the query to match the data as well as match the business need.
This fifth part of the DB2 11 for z/OS Developer certification test requires the knowledge of processing options you use when preparing and running your programs.