Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Dirty data Too much data Non-integrated data Inconsistent data Dirty data Too much data Non-integrated data Inconsistent data 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 a "wrong format" problem dirty data inconsistent data non-integrated data a "wrong format" problem dirty data inconsistent data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) reporting analyses can be performed using ________ . OLAP only extensions to SQL only standard SQL only both standard SQL and extensions to SQL OLAP only extensions to SQL only standard SQL only both standard SQL and extensions to SQL ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The term neural networks as used in data mining is a misnomer. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a component of a data warehouse? None of these Data metadata Data extraction/cleaning/preparation programs Data warehouse data None of these Data metadata Data extraction/cleaning/preparation programs Data warehouse data ANSWER DOWNLOAD EXAMIANS APP
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