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Database Processing for BIS

Database Processing for BIS
Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing.

True
False

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Database Processing for BIS
A BI reporting system does not ________ .

use disparate data sources
deliver information to users on a timely basis
use statistical procedures to predict future events
create meaningful information

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Database Processing for BIS
OnLine Analytical Processing (OLAP) is a BI reporting system.

True
False

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

Process extracts from operational databases
Read and process data from an operational database
Process data purchased from data vendors
Process transactions

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Database Processing for BIS
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 ________ .

support
the basic probability
lift
confidence

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Database Processing for BIS
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 ________ .

confidence
lift
support
the basic probability

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