Which of the following is true of a data mart?
a. It is an extended version of a data warehouse.
b.It is an extended version of big data.
c. It is a smaller version of a data warehouse.
d. It is a smaller version of a Hadoop.
c. It is a smaller version of a data warehouse.
A data mart is a smaller version of a data warehouse—scaled down to meet the specific needs of a business unit. Some organizations have multiple data marts, each designed to meet the needs of a different part of the organization.
Computer Science & Information Technology
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A. Cyclic directional B. Omni-directional C. Semi-directional D. Highly directional
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