October 2006
Intermediate to advanced
160 pages
4h 9m
English
book
DB2 for z/OS: Data Sharing in a Nutshell
by Paolo Bruni, Mark Anders, KyengDong Park, Mark Rader, Judy Ruby-Brown
Content preview from DB2 for z/OS: Data Sharing in a Nutshell
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Chapter 1. Introduction 7
1.3.2 Extended processing capacity
As you move more data processing onto DB2, your processing needs can
exceed the capacity of a single LPAR or a single DB2 subsystem. This section
describes how data sharing meets your ever-increasing capacity needs.
Without DB2 data sharing
Without DB2 data sharing, you have the following options for addressing
increased capacity needs:
Copy the data, or split the data between separate DB2 subsystems.
This approach requires that you maintain separate copies of the data. There
is no communication between or among DB2 subsystems, and no shared
DB2 catalog or directory.
Install another DB2 subsystem and rewrite applications to access the data as
distributed data.
This approach might ...
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