Data Warehousing Most operational systems are based on the use of transient data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The @active data warehouse architecture includes which of the following? 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 Data that can extracted from numerous internal and external sources Near real-time updates ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data that are never altered or deleted once they have been added Data in which changes to existing records cause the previous version of the records to be eliminated Data that are never deleted once they have been added Data in which changes to existing records do not cause the previous version of the records to be eliminated Data that are never altered or deleted once they have been added Data in which changes to existing records cause the previous version of the records to be eliminated Data that are never deleted once they have been added Data in which changes to existing records do not cause the previous version of the records to be eliminated ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing is which of the following? A process to reject data from 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 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 reject data from 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 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 ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? 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 To confirm that data exists To explain some observed event or condition ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Partially normalized Completely normalized Partially denoralized Completely denoralized Partially normalized Completely normalized Partially denoralized Completely denoralized ANSWER DOWNLOAD EXAMIANS APP
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