Database Processing for BIS Which of the following is not a component of a data warehouse? Data warehouse data Data metadata Data extraction/cleaning/preparation programs None of these Data warehouse data Data metadata Data extraction/cleaning/preparation programs None of these ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ . lift the basic probability support confidence lift the basic probability support confidence ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Formatting the report is part of authoring a report. True False True False 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 a "wrong format" problem dirty data non-integrated data inconsistent data a "wrong format" problem dirty data non-integrated 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The data warehouse DBMS needs to be the same DBMS used for the operational database. True False True False ANSWER DOWNLOAD EXAMIANS APP
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