Database Processing for BIS Data warehouse data are usually normalized. False True False True 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 Non-integrated data Dirty data Too much data Inconsistent data Non-integrated data Dirty data Too much data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS OnLine Analytical Processing (OLAP) is a BI reporting system. False True False True 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 A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes? Pull RFM Push OLAP Pull RFM Push OLAP 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