EXAMIANS
In unsupervised data mining, explanations are created after patterns are found.
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BI reporting systems summarize the current status of business activities in order to predict future activities.
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A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes?
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Most operational databases can be used for many BI applications.
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Business Intelligence (BI) systems do not obtain data from operational databases.
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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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A data warehouse is a database system that is optimized for operational transaction processing.
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Data warehouse data are usually normalized.
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We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .
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Data mining applications are used accomplish which of the following tasks?
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