February 2003
Intermediate to advanced
360 pages
11h 25m
English
book
Moving Data Across the DB2 Family
by Paolo Bruni, Michael Ho, Marko Milek, Arne Nilsen, Jose Mari Michael Sanchez
Content preview from Moving Data Across the DB2 Family
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Chapter 2. Overview of data movers 25
Replication allows users and applications access to production data without putting extra load
on the production database. The replication tools allow you to customize the copy table
structure. You can include the execution of SQL statements in the copying to the target
database to customize the data being copied.
Data Propagator has a set of control tables with information about which source tables to
capture changes from; information about subscribers on changes; and where to deliver the
changes is also needed. Status about capturing and delivering is continuously updated.
The pre-replicating process consists of the following:
Change the option DATA CAPTURE to YES with a ALTER DDL on the relevant so
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