How to define a cube??
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OLAP architecture?
What is data stream and data adaopter?
what is an use case?
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Explain what are the different types of join operations?
Explain clustering algorithm?
Explain which columns go to the fact table and which columns go the dimension table?
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
What is a ETL/ How does Oracle support the ETL process?
Give me a broad concept of what a data warehouse is, and what it might be used for?
What is difference between model & package?
What is difference between e-r modeling and dimensional modeling?
What is a relationship?