what are the session parameters? How do u set them?
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how do u decide whether u need to do aggregations at database level or at Informatica level?
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What are cubes and olap cubes?
Explain about power designer data modeling software?
what are the concerns of OLTP and DSS systems?
what is data modeling?
what is session partitioning?
what is HISTOGRAM? how to generate statistics?
what are the types in error loging?
Can anyone explain me a scenario from banking and finance...more precisely a mapping
What is a staging area? What is the purpose of a staging area?
what is meant by drill through?(Mascot)
Teradata 
