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 Business Intelligence (BI) systems do not obtain data from operational databases. False True False True 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 dirty data a "wrong format" problem inconsistent data non-integrated data dirty data a "wrong format" problem 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 ________ . lift the basic probability confidence support lift the basic probability confidence support ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Report types include static, dynamic, query and OLAP. 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? Dirty data Non-integrated data Non-duplicated data Missing values Dirty data Non-integrated data Non-duplicated data Missing values ANSWER DOWNLOAD EXAMIANS APP
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