Data Warehousing A data warehouse is which of the following? Can be updated by end users. Contains numerous naming conventions and formats. Contains only current data. Organized around important subject areas. Can be updated by end users. Contains numerous naming conventions and formats. Contains only current data. Organized around important subject areas. ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Transient data is which of the following? Data that are never 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 altered or deleted once they have been added Data that are never 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 altered or deleted once they have been added ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The @active data warehouse architecture includes which of the following? Data that can extracted from numerous internal and external sources All of these At least one data mart Near real-time updates Data that can extracted from numerous internal and external sources All of these At least one data mart Near real-time updates ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The role of the ETL process is to identify erroneous data and to fix them. False True False True 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 One-to-many All of these Many-to-many One-to-one One-to-many All of these Many-to-many ANSWER DOWNLOAD EXAMIANS APP
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