Database Processing for BIS Which of the following is not a component of a data warehouse? Data metadata Data warehouse data None of these Data extraction/cleaning/preparation programs Data metadata Data warehouse data None of these Data extraction/cleaning/preparation programs ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making. True False True False 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 ________ . the basic probability support confidence lift the basic probability support confidence lift ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS A BI reporting system does not ________ . create meaningful information deliver information to users on a timely basis use statistical procedures to predict future events use disparate data sources create meaningful information deliver information to users on a timely basis use statistical procedures to predict future events use disparate data sources ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Most operational databases can be used for many BI applications. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In OLAP, we are interested in ________ . dimensions only measures only levels only measures and dimensions dimensions only measures only levels only measures and dimensions ANSWER DOWNLOAD EXAMIANS APP
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