Data Warehousing A goal of data mining includes which of the following? To confirm that data exists To explain some observed event or condition To analyze data for expected relationships To create a new data warehouse To confirm that data exists To explain some observed event or condition To analyze data for expected relationships To create a new data warehouse ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The role of the ETL process is to identify erroneous data and to fix them. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Every key used to join the fact table with a dimensional table should be a surrogate key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The load and index is which of the following? A process to load the data in the data warehouse and to create the necessary indexes A process to upgrade the quality of data after it is moved into a data warehouse A process to reject data from the data warehouse and to create the necessary indexes A process to upgrade the quality of data before it is moved into a data warehouse A process to load the data in the data warehouse and to create the necessary indexes A process to upgrade the quality of data after it is moved into a data warehouse A process to reject data from the data warehouse and to create the necessary indexes A process to upgrade the quality of data before it is moved into a data warehouse ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Periodic data are data that are physically altered once added to the store. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The generic two-level data warehouse architecture includes which of the following? Data that can extracted from numerous internal and external sources Near real-time updates All of these At least one data mart Data that can extracted from numerous internal and external sources Near real-time updates All of these At least one data mart ANSWER DOWNLOAD EXAMIANS APP
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