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Cumulative sum using Java Transformation

How to find cumulative sum using JAVA Transformation?
Consider the following employees data as source
employee_id, salary
10, 1000
20, 2000
30, 3000
40, 5000
The target table data should look like as
employee_id, salary, cumulative_sum
10, 1000, 1000
20, 2000, 3000
30, 3000, 6000
40, 5000, 11000
*****How to do this using JAVA Transformation*****
Asked by: shwetha7575 | Member Since Apr-2012 | Asked on: Apr 26th, 2012

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