Topic: DB2 for z/OS
We're used to asking questions and we know how to code them in SQL - but how do you ask a question about a specific point in time. Temporal data support allows the user/programmer to concentrate on WHAT the questions are whilst DB2 manages the underlying data to provide the answers Want to know your bank balance? That's easy - but what about your bank balance 56 days ago - not quite so simple is it? This presentation will take a brief look at the concepts of temporal data before looking in a little detail about how DB2 manages this SQL time machine
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