can Informatica be used as a cleansing tool? If yes, give
examples of transformations that can implement a data
cleansing routine.
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how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
what is architecture of your datastage project??? i came across this question many times in interviews in specific what can i answer plz help me.
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What is the difference between round-robin partitioning and hash partitioning?
Explain do we need an etl tool? When do we go for the tools in the market?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
Hi, I completed MCA in 2006.After studied Informatica,SQL server and basics of reporting tool in one of the training center in chennai.I got subject knowledge only.But I didn't go any job because I scared to face real time.Anyone please advice how can I enter again into this and anyone provide real time exposure with project.
how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance
Explain the use lookup tables and Aggregate tables?
Explain the key challenges that you face while performing etl testing.
how do u decide whether u need to do aggregations at database level or at Informatica level?
how do u automate Extraction process?
Teradata 
