What is the capacity of power cube?
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power cube is nothing but it is a file,where we can extract
the data very fastly,and we perform drill up and drill down
operations here
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Explain difference between snow flake and star schema. What are situations where snow flake schema is better than star schema to use and when the opposite is true?
Explain clustering algorithm?
What is an IDQ file? What is the purpose of the IDQ file and what kindof information does it usualy hold? Can it be imported by informatica?
What is hybrid slowly changing dimension?
How can we run the graph?
In a star schema, are foreign key constraints between facts and dimensions neccessary?
Why is chameleon method used in data warehouse?
What are the key features of chameleon that separates it from other algorithms?
List any five applications of data warehouse.
Explain what are data marts?
Explain how many ways you create ports?
How can we import and export using BCP utility?