EXAMIANS
BI reporting systems summarize the current status of business activities in order to predict future activities.
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A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business.
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RFM analysis is a BI reporting system.
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We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ .
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We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .
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Which of the following is an unsupervised data mining technique?
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In OLAP, we are interested in ________ .
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The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
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Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making.
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Data mining applications are used accomplish which of the following tasks?
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