Data sharing
DB2 data sharing can provide the following advantages over database architectures:
Separate, independent DB2 systems
Improved DB2 availability during both planned and unplanned outages
Increased scalability because you are not bound by the limits of a single DB2 system
Greater flexibility when configuring systems
These advantages and an overview of the operational aspects of data sharing are described in detail in DB2 11 for z/OS Data Sharing: Planning and Administration, SC19-4055.
DB2 11 for z/OS provides a number of enhancements ...

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