Replication Guide and Reference

Replication Logical Partitioning Key Considerations

For an application that updates the target primary key column, IBM Replication provides a feature to handle these updates differently. You need to enable logical partitioning key support under any of the following conditions:

Your source applications update one or more columns of a target table primary key.
Your source applications update one or more columns of a target table partitioning key (either the target table is a partitioned database managed by DB2 Extended Enterprise Edition (EEE) table or a table in a DB2 for MVS partitioned table space).
Your source applications update one or more columns referenced in a subscription predicate.

Use the Control Center to specify that the Capture program should support replication logical partitioning key support while defining the replication source. See "Replication Logical Partitioning Key Support" to learn more about this option. See "Defining a Custom Replication Source" to learn how to enable support for logical partitioning keys.

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