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Database · all questions

Database Processing for BIS
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

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A BI reporting system does not ________ .

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Which of the following are not done by Business Intelligence (BI) systems?

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Business Intelligence (BI) systems do not obtain their data by which of the following means?

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The "curse of dimensionality" relates to which problem of using operational data for BI reporting?

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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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RFM analysis uses customer's purchasing patterns to ________ .

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The "F" in RFM analysis stands for ________ .

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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) reporting systems cannot do which of the following operations?

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Which of the following is not a component of a data warehouse?

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Business Intelligence (BI) reporting analyses can be performed using ________ .

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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 reports generated by a reporting system are usually not delivered in which of the following media?

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Data mining applications are used accomplish which of the following tasks?

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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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Which of the following is not a reason that operational data are difficult to read?

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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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One popular classification technique in Business Intelligence (BI) reporting is ________ .

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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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