Data Warehousing Transient data is which of the following? 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 deleted once they have been added Data that are never altered or 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 deleted once they have been added Data that are never altered or deleted once they have been added ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing A star schema has what type of relationship between a dimension and fact table? Many-to-many All of these One-to-many One-to-one Many-to-many All of these One-to-many One-to-one ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data transformation includes which of the following? Joining data from one source into various sources of data A process to change data from a detailed level to a summary level Separating data from one source into various sources of data A process to change data from a summary level to a detailed level Joining data from one source into various sources of data A process to change data from a detailed level to a summary level Separating data from one source into various sources of data A process to change data from a summary level to a detailed level ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing The @active data warehouse architecture includes which of the following? 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 Data that can extracted from numerous internal and external sources All of these At least one data mart ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Warehousing Both status data and event data can be stored in a database. True False True False ANSWER DOWNLOAD EXAMIANS APP
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