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What is data modeling and data mining?
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What is partitioning? Explain about round-robin, hash partitioning.
how do u really know that paging to disk is happening while u are using a lookup transform?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
A mapping contains source table S_Time(stat_year,end_year) target table TIM_DIM(date,day,month,year,quarter) stored procedure transformation: A procedure has two parameters I_end_year and output parameter as O_date ,day , month, year, quarter, If this session is running, how many rows will be available in the target and why?
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What are the names of the layers in etl?
What is meant by incremental load?
what is the meant by Normalization and de-normalization?
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
What are dimensions?
Teradata 
