Q. Why are primary keys in a data warehouse different from those in operational systems?

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Q. What does the data transformation function include when data needs to be summarized in the data warehouse?

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Q. What is the outcome of the data transformation function in the data staging area?

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Q. What is the primary distinction between the initial data loading and ongoing data loading into a data warehouse?

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Q. Why is the data storage for a data warehouse kept separate from the data storage for operational systems?

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Q. What distinguishes data storage for operational systems from data storage for a data warehouse?

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Q. Why is it important for data in a data warehouse to be stable and represent snapshots at specified periods?

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Q. What is the primary purpose of multidimensional database management systems (MDDBs) in data warehouses?

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Q. What type of databases are commonly employed in most data warehouses?

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Q. Who typically needs prepackaged reports and preset queries from the data warehouse?

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Q. Which type of user needs information once in a while, not regularly, and also requires prepackaged information?

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Q. What is the primary objective of a business analyst when using the data warehouse?

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Q. What distinguishes a power user from other types of users in a data warehouse?

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Q. What methods of information delivery are included in the information delivery component of a data warehouse?

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Q. What is the purpose of data-mining applications in a data warehouse?

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Q. What is the metadata component in a data warehouse?

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Q. How does metadata in a data warehouse differ from a data dictionary in a database management system?

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Q. Where does the management and control component sit in the data warehouse architecture?

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Q. What are the primary functions of the management and control component in a data warehouse?

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Q. How does the management and control component interact with the metadata component?

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