A data mart is a subset of a data warehouse in which only a focused portion of the data warehouse information is kept.

Name: A data mart is a subset of a data warehouse in which only a focused portion of the data warehouse information is kept.
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Quizplus · Accepted Answer

A data mart is indeed a subset of a data warehouse that contains a smaller, focused part of the data in the warehouse. The data in the data mart is designed to meet the needs and requirements of specific departments or user groups within an organization.

A Data Mart Is a Subset of a Data Warehouse