Database Processing for BIS The data warehouse DBMS needs to be the same DBMS used for the operational database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS RFM analysis is a BI reporting system. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "F" in RFM analysis stands for ________ . freshness frequently fast food fantasy freshness frequently fast food fantasy 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 ________ . a "wrong format" problem dirty data non-integrated data inconsistent data a "wrong format" problem dirty data non-integrated data inconsistent 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 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 ________ . confidence the basic probability lift support confidence the basic probability lift support ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Dirty data Non-integrated data Missing values Non-duplicated data Dirty data Non-integrated data Missing values Non-duplicated data ANSWER DOWNLOAD EXAMIANS APP
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