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What is an expression transformation in informatica?


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More Informatica Interview Questions

I have source like col1,col2,col3,col4 and the values are like 3,6,1,7 1,5,3,8 2,1,5,6 i want the output like 3,6,7 5,3,8 2,5,6 How we will achieve in this scenario in informatica level. Please help me.. Thanks in advance..

4 Answers   Wipro,


Why can't we use few transformations in mapplet ? like xml and target defintions, seq etc ?

2 Answers   IBM,


As per Informatica PC help guide, while adding transformations to a mapplet,we have to keep this in mind: If you use a Sequence Generator transformation, you must use a reusable Sequence Generator transformation. May i know the reason behind this?

2 Answers  


how to convert 101 raja 101 raja sekar reddy 101 sekar----------> 101 reddy

2 Answers  


when we go for unconnected lookup transformation? and why?

5 Answers   Accenture,


How IN function works in informatica? Is it similar that of oracle IN function or different? Explain

2 Answers   Mphasis,


Hi, I am working on informatia in a support role. We used stored procedures in informatica and other than that I never got a chance to work on PL/SQL,little on Unix scripts. But I heard people asking about PL/SQL alot. Can any one let me know how do we use PL/SQL with informatica and if required what is the knowledge that we need to have on PL/SQL? Please let me know in detail which would really help me alot in my career prospectus.

1 Answers   Accenture,


we have 20 records in source system, when we run for the 1st time, it should load only 10 records into the target, when you run for the second time it should load another 10 record which are not loaded. How do we do that? Can we write a SQL query in source qualifier to do it. This q' is asked in one f the interviews. Please let me know if anyone knows. Thanks

3 Answers   TCS,


Hi, This is Lakshmi,Anyone taking classes for datawarehouse-Informatica and BO with real time project

2 Answers  


1,If there are 3 workflows are running and if 1st workflow fails then how could we start 2nd workflow or if 2nd workflow fails how could we start 3rd workflow?

4 Answers   CompuSoft, EDS, TCS,


What are conformed dimensions?

1 Answers  


What can we do to improve the performance of informatica aggregator transformation?

0 Answers  


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