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In a data warehouse, information cleansing occurs first during the ETL process and again once the information is in the data warehouse.

Data integration is the integration of data from multiple sources, which provides a unified view of all data.

Foreign key is a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.

One of the advantages found in a relational database is increased information redundancy.

Real-time information refers to the extent of detail within the information (fine and detailed or coarse and abstract).

Estimation determines values for an unknown continuous variable behavior or estimated future value.

Unique information asks if each transaction and event is represented only once in the information.

Which of the following is not an advantage to a data-driven website?

Relational integrity constraints enforce business rules vital to an organization’s success and often require more insight and knowledge than relational integrity constraints.

A backward integration takes information entered into a given system and sends it automatically to all downstream systems and processes.