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Do we need an etl tool?
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What is a mapping, session, worklet, workflow, mapplet?
Difference between flat files and relational sources?
where we cannot use sorter Transformation. if we use then we will not get correct data?
Explain about hash partitioning?
What are materialized views & where do we use them?
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.
can cubes contain measures ?
Explain the key challenges that you face while performing etl testing.
how do u set the size of block buffer?
What are the different Lookup methods used in Informatica?
Explain about power designer data modeling software?
Can anyone explain me a scenario from banking and finance...more precisely a mapping
Teradata 
