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 Read and process data from an operational database Process transactions Process extracts from operational databases Process data purchased from data vendors Read and process data from an operational database Process transactions Process extracts from operational databases ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a component of a data warehouse? None of these Data metadata Data warehouse data Data extraction/cleaning/preparation programs None of these Data metadata Data warehouse data Data extraction/cleaning/preparation programs ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Non-integrated data Missing values Non-duplicated data Dirty data Non-integrated data Missing values Non-duplicated data Dirty data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In OLAP, we are interested in ________ . levels only dimensions only measures only measures and dimensions levels only dimensions only measures only measures and dimensions 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 ________ . the basic probability support confidence lift the basic probability support confidence lift ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS