EXAMIANS
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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BI reporting systems summarize the current status of business activities in order to predict future activities.
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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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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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Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing.
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In OLAP, we are interested in ________ .
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OLAP uses measures, dimensions and associations.
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The data warehouse DBMS needs to be the same DBMS used for the operational database.
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Formatting the report is part of authoring a report.
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