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  2. MIDRANGE-L
  3. November 2014

RE: Constant Update of SQl Server from an iSeries

You have to write them somewhere in case you can't reach the SQL server.

... it depends on your requirements, if both databases have to be in sync,
then you must not write to as400, if the SQL Server is not reachable.

Direct communication from a trigger strikes me as a bad idea in general.
Consider there's no way to handle a set of changes being rolled back; as
the trigger doesn't get called again. Unless ARDGATE supports distributed
transactions (XA)?

Rollback would not be a big problem. ArdGate doesn't support distributed
unit of work, but it will notice commit operations and propagates
commit/rollback to all database connects in the same ACTGRP. (There remains
a small gap, if the connection breaks within a transaction).

D*B



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