Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Inconsistent data Non-integrated data Dirty data Too much data Inconsistent data Non-integrated data Dirty data ANSWER DOWNLOAD EXAMIANS APP
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 ________ . confidence lift support the basic probability confidence lift support the basic probability ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Most operational databases can be used for many BI applications. True False True False ANSWER DOWNLOAD EXAMIANS APP
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 dirty data inconsistent data non-integrated data a "wrong format" problem dirty data inconsistent data non-integrated data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In unsupervised data mining, explanations are created after patterns are found. True False True False ANSWER DOWNLOAD EXAMIANS APP
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 Process transactions Read and process data from an operational database Process data purchased from data vendors Process extracts from operational databases Process transactions Read and process data from an operational database ANSWER DOWNLOAD EXAMIANS APP
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