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What is a mapping, session, worklet, workflow, mapplet?
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what is the meant by Normalization and de-normalization?
What is etl process? How many steps etl contains?
Hi, Urgent recruitment in CTS for informatica ETL .Experience 3 to 10 years.
what are the production issues in datastage?
what is the use of structures?how many nodes can u create in a structure?
Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.
What do you understand by active and passive transformations?
what is an ETL or ETT? And what are the different types?
What is partitioning? Explain about round-robin, hash partitioning.
How to fine tune mappings?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
What are your responsibilities as an etl tester?
Teradata 
