EXAMIANS
In a common form of RFM analysis, customers are sorted in five groups and given a score of 1 to 5 depending on their group.
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OnLine Analytical Processing (OLAP) is a BI reporting system.
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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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The data warehouse DBMS needs to be the same DBMS used for the operational database.
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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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Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing.
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Data warehouse data are usually normalized.
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Which of the following is not a component of a data warehouse?
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Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.
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