Question

How is a Data Warehouse different from a Data Mart in terms of implementation?

a.

Data Warehouse is a subset of Data Mart

b.

Data Warehouse is independent, while Data Mart is centralized

c.

Data Warehouse is a centralized repository with dependent Data Marts

d.

Data Warehouse is a temporary storage for Data Marts

Posted under Data Warehousing and OLAP

Answer: (c).Data Warehouse is a centralized repository with dependent Data Marts Explanation:In the top-down approach of implementation, a Data Warehouse represents a centralized repository with a set of dependent data marts.

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