What are the different problems that ?Data mining? can solve?
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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 is factless fact tables?
Where the applications and where ware house management system is used?
Explain what is the difference between a primary and secondary actor in use case modeling?
Explain which are the olap tools available that are supported by oracle?
5.Explain ODS ?
Explain in detail abt measure objects? And what is the use of it? How to create it?
Name a few sectors which use data warehousing?
What is Discover and Execute in XMLA?
Describe a data warehouse.
Tell me what is degree of a relation?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?