Answer / subbuchamala

by setting below option in MERGE stage, we can log 'unmatched Master' records and 'Reject Updates' in log files:

1. Warn on Rejected Updates=TRUE
--->True to generate a warning when bad records from any update links are rejected.
2. Warn on Unmatched Masters=TRUE.
--->True to generate a warning when there are unmatched rows from the master link.

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