Database Processing for BIS A data warehouse is a database system that is optimized for operational transaction processing. 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? Inconsistent data Too much data Non-integrated data Dirty data Inconsistent data Too much data Non-integrated data Dirty data 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. False True False True 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
Database Processing for BIS Business Intelligence (BI) reporting systems cannot do which of the following operations? Modify data Group data Filter data Both filter and group data Modify data Group data Filter data Both filter and group data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The term neural networks as used in data mining is a misnomer. False True False True ANSWER DOWNLOAD EXAMIANS APP
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