Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Inconsistent data Non-integrated data Dirty data Too much data Inconsistent data Non-integrated data Dirty data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a component of a data warehouse? Data metadata None of these Data extraction/cleaning/preparation programs Data warehouse data Data metadata None of these Data extraction/cleaning/preparation programs Data warehouse 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 inconsistent data dirty data a "wrong format" problem non-integrated data inconsistent data dirty data a "wrong format" problem ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS A BI reporting system does not ________ . use statistical procedures to predict future events create meaningful information use disparate data sources deliver information to users on a timely basis use statistical procedures to predict future events create meaningful information use disparate data sources deliver information to users on a timely basis 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. False True False True ANSWER DOWNLOAD EXAMIANS APP