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 transactions Read and process data from an operational database Process extracts from operational databases Process data purchased from data vendors Process transactions Read and process data from an operational database Process extracts from operational databases ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business. True False True False ANSWER DOWNLOAD EXAMIANS APP
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 Dirty data Inconsistent data Non-integrated data Too much data 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 ________ . dirty data a "wrong format" problem inconsistent data non-integrated data dirty data a "wrong format" problem inconsistent data non-integrated data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Market basket analysis primarily uses the technique of conditional probabilities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "F" in RFM analysis stands for ________ . fast food freshness fantasy frequently fast food freshness fantasy frequently ANSWER DOWNLOAD EXAMIANS APP