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Explain what is a cube in data warehousing concept?
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Ist the schema that a data warehouse system can implements.
Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
How many types of facts and what are they?
How many ways we test the universe & Report?
What is the difference between a W/H and an OLTP application?
Explain what is the difference between olap and datawarehosue?
What is the function of etl when used in data warehousing?
What is mapplet?
What is index awareness in universe?
Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meetthe condition.
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
What Oracle features can be used to optimize my Warehouse system?
Teradata 
