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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364 Introduction to the New Mainframe: z/VSE Basics
MQI channel
An MQI channel connects an MQSeries client to a queue manager. Clients do
not have a queue manager and therefore no queues of their own. An MQI
channel is bidirectional.
14.7 How transactional integrity is ensured
A business might require two or more distributed databases to be maintained.
MQSeries offers a solution involving multiple units of work acting
asynchronously, as shown in Figure 14-3.
Figure 14-3 Data integrity
The top half of Figure 14-3 shows a two-phase commit structure, while the
MQSeries solution is shown in the lower half, as follows:
The first application writes ...
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