Question

What is extraction, transformation, and loading?

A. It is a process of entering data, tracking data, and loading it into a database.

B. It is a process that extracts information from internal and external databases, transforms it using a common set of enterprise definitions, and loads it into a data warehouse.

C. It is a process that is performed at the end of the data warehouse model prior to putting the information in a cube.

D. It is a process that is performed at the beginning of the data mining model.

Answer

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