Database Processing for BIS Business Intelligence (BI) systems do not obtain data from operational databases. 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 ________ . non-integrated data inconsistent data a "wrong format" problem dirty data non-integrated data inconsistent data a "wrong format" problem 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 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 ________ . lift the basic probability support confidence lift the basic probability support confidence ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Data warehouse data are usually normalized. False True False True 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 data warehouse DBMS needs to be the same DBMS used for the operational database. True False True False ANSWER DOWNLOAD EXAMIANS APP
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