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

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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

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