Define Data Warehousing?
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What are the different types of segments?
What are aggregate fact tables ? why they are needed? give an example
Explain difference between view and materialized view?
What are partition points?
After we create a scd table, can we use that particular dimension as a dimension table for star schema?
What are the different problems that ?Data mining? can solve?
What is Molap and Rolap? What is Diff between Them?
What is the difference between power center and power mart?
Explain what is power center repository?
What is a core dimension?
Explain difference between snow flake and star schema.
explain about dirty dimension?