What is MODEL is Data mining world?
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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?
what are different storage options supported by oracle ?
What is a fact, dimension, measure?
Ist the schema that a data warehouse system can implements.
Explain functional dependency?
What is the difference between datawarehouse and bi?
What is a ETL/ How does Oracle support the ETL process?
What are situations where snow flake schema is better than star schema to use and when the opposite is true?
Explain what is a staging area? Do we need it? What is the purpose of a staging area?
Whether dimension table can have numeric value?
What is the working process for application.cfm?
What is edw?