Data Warehousing Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing 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 before it is moved into a data warehouse 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 load the data in 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 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 ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data in the data warehouse are loaded and refreshed from operational systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Fact tables are which of the following? Partially denoralized Completely normalized Partially normalized Completely denoralized Partially denoralized Completely normalized Partially normalized Completely denoralized ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A goal of data mining includes which of the following? To explain some observed event or condition To confirm that data exists To analyze data for expected relationships To create a new data warehouse To explain some observed event or condition To confirm that data exists To analyze data for expected relationships To create a new data warehouse ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The extract process is which of the following? Capturing a subset 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 all of the data contained in various operational systems Capturing a subset 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 all of the data contained in various operational systems ANSWER DOWNLOAD EXAMIANS APP
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