EXAMIANS
A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business.
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The data warehouse DBMS needs to be the same DBMS used for the operational database.
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A BI reporting system does not ________ .
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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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In OLAP, we are interested in ________ .
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Business Intelligence (BI) systems do not obtain data from operational databases.
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Business Intelligence (BI) systems do not obtain their data by which of the following means?
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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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Most operational databases can be used for many BI applications.
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We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ .
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