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Answer Posted / swetha
When using incremental aggregation, you apply captured
changes in the source to aggregate calculations in a
session. If the source changes only incrementally and you
can capture changes, you can configure the session to
process only those changes. This allows the Informatica
Server to update your target incrementally, rather than
forcing it to process the entire source and recalculate the
same calculations each time you run the session.
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