What is a data warehouse

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

2. Define the terms: OLAP (Online Analytical Processing), ROLAP (Relational OLAP), and MOLAP (Multidimensional OLAP), DSS (Decision Support Systems).

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

Reference no: EM131243610

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