Data Warehousing
A data warehouse is which of the following?

Organized around important subject areas.
Contains only current data.
Can be updated by end users.
Contains numerous naming conventions and formats.

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

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Data Warehousing
Data transformation includes which of the following?

A process to change data from a detailed level to a summary level
Separating data from one source into various sources of data
Joining 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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