Data Warehousing
The generic two-level data warehouse architecture includes which of the following?

Near real-time updates
All of these
At least one data mart
Data that can extracted from numerous internal and external sources

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Data Warehousing
Reconciled data is which of the following?

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

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Data Warehousing
Data scrubbing is which of the following?

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

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