What is a real-time data warehouse?
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Explain a relation schema and a relation?
Explain what is type 2 version dimension?
What Oracle tools can be used to design and build a W/H?
Difference between e-r modeling and dimentional modeling?
How can we run the graph? What is the procedure for that?
What is the difference between a W/H and an OLTP application?
What is aggregate fact table?
What is Conceptual, Logical and Physical model?
Explain when do we analyze the tables? How do we do it?
How many repositories can we create in Informatica?
What are parallel querys and query hints?
Explain what is a cube in data warehousing concept?