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1-What is a data warehouse? How does it differ from a database? 2-Describe the characteristics of a data warehouse. Divide them into functionality of a

1-What is a data warehouse? How does it differ from a database?

2-Describe the characteristics of a data warehouse. Divide them into functionality of a warehouse and advantages users derive from it.?

3-What is the multidimensional data model? How is it used in data warehousing?

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