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What are the three tiers in etl?


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More ETL Interview Questions

what are the session parameters? How do u set them?

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Hi my name is kuldeep singh, i have finished my B.E in computer science and engg in 2008. I have worked with accenture for 17 months and because of family problem i left the job in dec 2009.. i was in data ware housing capability. right now i am working in a BPO as technicla support executive,, i want to move to IT again, please suggest me what shuld i do? its been 1 year gap and i am not able to get into IT...please suggest me ...should i go for informatica certification will that help me to get inot IT. please give ur suggestion..my E mail is is singh.kuldeep2004@yahoo.in

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Need Informatica Power Center 9.1 free download(for all windows version)

1 Answers   ABC,


you have created a lookup transformation for a certain condition which if true returns multiple rows. when you go to the target and see only one row has come and not all. why is it so and how it can be corrected.

3 Answers  


What is Relational Integrity?

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two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.

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what is the meant by Normalization and de-normalization?

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Do we need an etl tool?

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when u connect the repository for the first time it asks you for user name & password of repository and database both.But subsequent times it asks only repository password. why?

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Can u access a repository created in previous version of Informatica?

1 Answers  


Can we create Hierarchies in generic datasources?

0 Answers   CTS,


Is there any body who works on Pervasive Data Integrator (previously Data Junction)? Is there any scope also?

2 Answers  


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