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  3. November 2014

Re: Constant Update of SQl Server from an iSeries

<Bor>
First, is trapping the changes. To me, journals are the only way to go.
</Bor>

it might depend on your needs. The diffrence comes up in case the connection between source and target breaks. Going the route via journal (to process the journal, you would have a NEP doing RCVJRNE) source and target will temporary go out of sync. Using triggers updates to the source system are impossible untill connection to the replicating system is possible.
For real synchronous replication you would have to use ArdGate or maybe DBGate (commercial), or infoSphere federation Server (very expensive) or one of the commercial proprietary solutions.

Dieter Bender

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