Data Warehousing Most operational systems are based on the use of transient data. True False True False 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 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 operational systems Capturing a subset of the data contained in various decision support 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 operational systems Capturing a subset of the data contained in various decision support systems ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? One-to-one Many-to-many All of these One-to-many One-to-one Many-to-many All of these One-to-many ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The load and index is which of the following? 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 A process to load the data in the data warehouse and to create the necessary indexes 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
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