Data Warehousing The extract process is which of the following? Capturing all of the data contained in various operational systems Capturing all of the data contained in various decision support systems Capturing a subset of the data contained in various decision support systems Capturing a subset of the data contained in various operational systems Capturing all of the data contained in various operational systems Capturing all of the data contained in various decision support systems Capturing a subset of the data contained in various decision support systems Capturing a subset of the data contained in various operational systems ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To confirm that data exists To create a new data warehouse To explain some observed event or condition To analyze data for expected relationships To confirm that data exists To create a new data warehouse To explain some observed event or condition To analyze data for expected relationships ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Joining is the process of partitioning data according to predefined criteria. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Partially denoralized Completely denoralized Completely normalized Partially normalized Partially denoralized Completely denoralized Completely normalized Partially normalized ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data that are never deleted once they have been added 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 in which changes to existing records do not cause the previous version of the records to be eliminated Data that are never deleted once they have been added 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 in which changes to existing records do not cause the previous version of the records to be eliminated ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Reconciled data is which of the following? Current data intended to be the single source for all decision support systems. Data stored in one operational system in the organization. Data that has been selected and formatted for end-user support applications. Data stored in the various operational systems throughout the organization. Current data intended to be the single source for all decision support systems. Data stored in one operational system in the organization. Data that has been selected and formatted for end-user support applications. Data stored in the various operational systems throughout the organization. ANSWER DOWNLOAD EXAMIANS APP