Q. What is the top-down approach in building a data warehouse?

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Q. What is the bottom-up approach in building a data warehouse?

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Q. When considering the "build or buy" decision in data warehousing, what are organizations trying to determine?

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Q. What does the planning stage of a data warehouse project involve regarding the "build or buy" decision?

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Q. What are the major advantages of choosing a single vendor solution for a data warehouse?

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Q. What are the major advantages of the best-of-breed solution that combines products from multiple vendors?

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Q. What should drive a data warehouse project?

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Q. What should you focus on before building a data warehouse?

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Q. What kind of information should you gather in the preliminary survey for a data warehouse project?

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Q. Why is top management support crucial for a data warehouse project?

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Q. What should be used to justify the total cost of a data warehouse project?

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Q. Which of the following is one of the typical approaches to justify a data warehouse project?

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Q. What is the role of top management support in a data warehouse project?

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Q. In the context of data warehousing, what does ROI stand for?

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Q. Which component of data warehouse costs is typically the highest?

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Q. In companies where data warehousing is introduced without a full cost-justification analysis, what is the basis for justification?

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Q. What is the purpose of calculating the business value of a proposed data warehouse in the justification process?

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Q. Why is top management support crucial for a data warehouse project?

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Q. What is the primary purpose of an overall plan for a data warehousing initiative?

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Q. How do data warehouse projects differ from OLTP application projects?

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