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Database Processing for BIS

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

False
True

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

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

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Database Processing for BIS
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.

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

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Database Processing for BIS
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 ________ .

a "wrong format" problem
inconsistent data
non-integrated data
dirty data

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

Dirty data
Inconsistent data
Non-integrated data
Too much data

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