Describe a data warehouse.
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Explain the definition of normalized and denormalized view?
How to create prompts in report net?
What is aggregate awareness?
Suppose we want to display zero when null values coming to report how can we do that?
What are data validation strategies for data mart validation after loading process?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
What is difference between a connected look up and unconnected look up?
What is drilling across?
How to performance tune reports?
What is Discover and Execute in XMLA?
What is the difference between Oracle Express and Oracle Discoverer?
What is hybrid slowly changing dimension?