Database Processing for BIS Data warehouse data are usually normalized. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In OLAP, we are interested in ________ . dimensions only measures and dimensions measures only levels only dimensions only measures and dimensions measures only levels only 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 Most operational databases can be used for many BI applications. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Non-integrated data Inconsistent data Dirty data Too much data Non-integrated data Inconsistent data Dirty data Too much data ANSWER DOWNLOAD EXAMIANS APP
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