Explain the importance of data warehouse?
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What are the different methods of loading dimension tables?
What are the different ways to represent the loading of dimension tables?
what is table partitioning? How it is useful to warehouse database?
What is normalization, first normal form, second normal form, third normal form?
Explain what is power center repository?
What is metadata in context of a datawarehouse?
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.
Why is chameleon method used in data warehouse?
What is the difference between mapping parameter & mapping variable in data warehousing?
Compare aggregates and data marts
How to eliminate duplicate rows from flat file?
What is IQD file?