Database Processing for BIS A data warehouse is a database system that is optimized for operational transaction processing. False True False True 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 ________ . lift support confidence the basic probability lift support confidence the basic probability ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) systems do not obtain their data by which of the following means? Process transactions Process data purchased from data vendors Process extracts from operational databases Read and process data from an operational database Process transactions Process data purchased from data vendors Process extracts from operational databases Read and process data from an operational database ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Non-integrated data Dirty data Inconsistent data Too much data Non-integrated data Dirty data Inconsistent data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "F" in RFM analysis stands for ________ . fantasy fast food frequently freshness fantasy fast food frequently freshness ANSWER DOWNLOAD EXAMIANS APP
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 True False ANSWER DOWNLOAD EXAMIANS APP
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