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 Successful data warehousing requires that a formal program in total quality management (TQM) be implemented. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? One-to-one All of these Many-to-many One-to-many One-to-one All of these Many-to-many One-to-many ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A data warehouse is which of the following? Can be updated by end users. Organized around important subject areas. Contains numerous naming conventions and formats. Contains only current data. Can be updated by end users. Organized around important subject areas. Contains numerous naming conventions and formats. Contains only current data. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The load and index is which of the following? A process to upgrade the quality of data after 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 before 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 after 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 before 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 Joining is the process of partitioning data according to predefined criteria. False True False True ANSWER DOWNLOAD EXAMIANS APP
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