Tuesday, 26 April 2016

Informatica Interview Questions on Sorter Transformation

1. What is a sorter transformation?

Sorter transformation is used to sort the data. You can sort the data either in ascending or descending order according to a specified sort key.

2. Why sorter is an active transformation?

As sorter transformation can suppress the duplicate records in the source, it is called an active transformation.(Distinct option)

3. How to improve the performance of a session using sorter transformation?

Sort the data using sorter transformation before passing in to aggregator or joiner transformation. As the data is sorted, the integration service uses the memory to do aggregate and join operations and does not use cache files to process the data.


Regards,

Hari Babu

2 comments:

  1. Wow,I think this is a very good and interesting set of questions about Informatica and other real aspects to look ahead in the future.

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