Data Warehousing
Data transformation includes which of the following?

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

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Data Warehousing
Reconciled data is which of the following?

Data stored in the various operational systems throughout the organization.
Data that has been selected and formatted for end-user support applications.
Current data intended to be the single source for all decision support systems.
Data stored in one operational system in the organization.

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Data Warehousing
The load and index is which of the following?

A process to upgrade the quality of data before it is moved into a data warehouse
A process to load the data in the data warehouse and to create the necessary indexes
A process to reject data from the data warehouse and to create the necessary indexes
A process to upgrade the quality of data after it is moved into a data warehouse

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Data Warehousing
Transient data is which of the following?

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

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