What is an error log table in informatica occurs and how to maintain it in mapping?
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Explain the definition of normalized and denormalized view and what are the differences between them?
What is incremintal loading?
What is the difference between a data warehouse and a data mart?
15 Answers Apex, ASD Lab, Bank Of America,
Explain what is a view as it relates to system modeling?
What are steps we have to follow in designing the userfriendly universe?
What is the main difference between inmon and kimball philosophies of data warehousing?
What is a core dimension?
Why denormalization is promoted in universe designing?
What are Aggregate tables?
Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
Describe a data warehouse.
Suppose if a session fails after loading of 10,000 records in to the target.how can you load the records from 10001 the record when you run the session next time?
Teradata 
