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 Which of the following is not a reason that operational data are difficult to read? Non-integrated data Non-duplicated data Missing values Dirty data Non-integrated data Non-duplicated data Missing values Dirty data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS OLAP uses measures, dimensions and associations. 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 ________ . support confidence the basic probability lift support confidence the basic probability lift ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS BI reporting systems summarize the current status of business activities in order to predict future activities. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a component of a data warehouse? Data metadata Data extraction/cleaning/preparation programs Data warehouse data None of these Data metadata Data extraction/cleaning/preparation programs Data warehouse data None of these ANSWER DOWNLOAD EXAMIANS APP