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DB2® for z/OS® Version 8 DBA Certification Guide
book

DB2® for z/OS® Version 8 DBA Certification Guide

by Susan Lawson
October 2004
Intermediate to advanced content levelIntermediate to advanced
688 pages
16h 35m
English
IBM Press
Content preview from DB2® for z/OS® Version 8 DBA Certification Guide

Chapter 9. Data Sharing

• Data sharing components

• Maintaining data integrity

• Performance and processing costs

• Movement to data sharing

• Distributed processing

• Recovery considerations

Data sharing, available in DB2 since version 4, allows an application to run on one or more DB2 subsystems in a parallel sysplex environment. The applications can read and write to the same data concurrently. Prior to data sharing, DDF was used to access data on other subsystems, or other, more creative means were used, such as replication between subsystems.

The subsystems that can share data must belong to a data sharing group. The subsystems in the group are known as members. Up to 32 members are allowed in a data sharing group. Only members in the group ...

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Publisher Resources

ISBN: 0131491202Purchase book