Q1. Describe the four levels of architecture in the data warehouse atmosphere.
Q2. Illustrate the problems with the naturally evolving architecture?
Q3. What type of functionality is needed as data passes from the operational, legacy environment to the data warehouse atmosphere?
Q4. Illustrate the meaning of the term snapshot? describe in brief the fundamental components of a data warehouse snapshot.
Q5. Illustrate the merits of Star Schema? Describe.
Q6. Illustrate the different Star Schema Keys? Describe with the help of an illustration.