Answer Posted / phani kumar

Sort stage is used to sort the data and having option of
identifying the duplicate records with the value of Key
change column. But, to perform sort and remove duplicates is
leads to decrease the performance. So, it is preferable for
less amount of data.

Remove duplicates stage is used to get only unique records
either first occurrence or last occurrences. For large
amount of data, sorted data is required for better performance.

Correct me if iam wrong..........

Thanks and regards....
Phani kumar

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