March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
Content preview from Introduction to the New Mainframe: z/VSE Basics
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Chapter 8. Designing and developing applications for z/VSE 199
8.2.2 Designing for z/VSE: data sources and access methods
Here, the designer’s considerations typically include the following:
What data must be stored?
How will the data be accessed? This includes a choice of access method.
Are the requests ad hoc or predictable?
Will we choose VSE libraries, VSAM, or a database management system
(DBMS) such as DB2?
8.2.3 Designing for z/VSE: availability and workload requirements
For an application that will run on z/VSE, the designer must be able to answer
the following questions:
What is the quantity of data to store and access?
Is there a need to share the data?
What are the response time requirements?
What are the cost constraints ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.