Data Warehousing
A multifield transformation does which of the following?

Converts data from multiple fields into one field
All of these
Converts data from multiple fields into multiple fields
Converts data from one field into multiple fields

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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 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

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Data Warehousing
The extract process is which of the following?

Capturing all of the data contained in various operational systems
Capturing a subset of the data contained in various operational systems
Capturing a subset of the data contained in various decision support systems
Capturing all of the data contained in various decision support systems

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