is a subset of a data warehouse in which only a focused portion of the data warehouse information is kept. A. Data dictionary B. Data mine C. Database D. Data mart

Option D (data mart) would be the right choice.

Explanation:

A pattern was used to acquire customer information in the data warehouse level or environment is known as a data mart. It is indeed a framework unique to the knowledge warehouse being used by the team having the business sphere. Per corporation has a particular data mart stored throughout the archive of the database system.

The other options offered are not relevant to the example mentioned. So, the solution above is the right one.

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