What are fact, dimension, and measure?
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How can you define a transformation? What are different types of transformations in Informatica?
Explain what is the difference between olap and datawarehosue?
Is there any rownum object from which we can do this?
What are templates in which way it is help full?
Explain what is a staging area? Do we need it? What is the purpose of a staging area?
What is the definition of cube in datawarehousing?
What is difference between model & package?
What are non-additive facts in detail?
What is a fact table?
Explain why dimenstion tables are denormalized in nature?
What are the stages of datawarehousing?
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.