Database Processing for BIS The data warehouse DBMS needs to be the same DBMS used for the operational database. 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 ________ . inconsistent data non-integrated data dirty data a "wrong format" problem inconsistent data non-integrated data dirty data a "wrong format" problem 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 Dirty data Non-integrated data Inconsistent data Too much data Dirty data Non-integrated 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 In a common form of RFM analysis, customers are sorted in five groups and given a score of 1 to 5 depending on their group. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) systems do not obtain their data by which of the following means? Process data purchased from data vendors Process transactions Process extracts from operational databases Read and process data from an operational database Process data purchased from data vendors Process transactions Process extracts from operational databases Read and process data from an operational database ANSWER DOWNLOAD EXAMIANS APP
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