Data Warehousing Most operational systems are based on the use of transient data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The generic two-level data warehouse architecture includes which of the following? All of these Data that can extracted from numerous internal and external sources At least one data mart Near real-time updates All of these Data that can extracted from numerous internal and external sources At least one data mart Near real-time updates ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data in operational systems are typically fragmented and inconsistent. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Both status data and event data can be stored in a database. 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 Transient data is which of the following? Data in which changes to existing records 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 do not cause the previous version of the records to be eliminated Data in which changes to existing records 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 do not cause the previous version of the records to be eliminated ANSWER DOWNLOAD EXAMIANS APP
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