Exam 12: Big Data datawarehouse and Business Intelligence Systems

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Business Intelligence (BI)systems obtain data in three different ways.

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Most of NoSQL nonrelational database methodologies are known as structured storage.

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Data warehouses also store the data warehouse metadata.

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RFM scores commonly range from ________,with ________ being the "high" or "most desirable" (from the vendor's point of view)score.

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Which of the following are components of a data warehouse?

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Dimensional databases are used to track historical data,and therefore must have a ________.

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Data mining uses sophisticated statistical and mathematical techniques to perform what-if analyses,to make predictions,and to facilitate decision making.

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What is a reporting system?

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A data mart is a collection of data that addresses a particular component of a functional area of a business.

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Google's Bigtable was an early example of structured storage.

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Business Intelligence (BI)systems support operational activities.

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To format a PivotTable in Microsoft Excel 2013,we use the:

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Structured storage column families are indistinguishable for relational database tables.

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What is a data warehouse?

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Star schemas have a ________ at the center of the star.

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What is a Microsoft Excel PivotTable?

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In OLAP,the characteristic of a measure is called a ________.

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Problematic data are called "dirty data."

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OLAP stands for ________.

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In a common form of RFM analysis,a score of 1 is "high" or "good" while a score of 5 is "low" of "bad."

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