Question

Which kind of data warehouse is created separately from the enterprise data warehouse by a department and not reliant on it for updates?

Answer 1

Independent Data Mart is created separately from the enterprise data warehouse by a department and not reliant on it for updates

What is an independent data mart?

Data marts are one of the keys to effectively converting information into insights in a market dominated by big data and analytics. Large data sets are normally dealt with by data warehouses, yet easy-to-find and immediately available data are needed for data analysis. Should a business person have to run difficult queries in order to acquire the data they require for their reports? No, which is why savvy businesses employ data marts.

Often a partitioned section of an enterprise data warehouse, a data mart is a subject-oriented database. Typically, a data mart's subset of data corresponds to one particular business unit, such as sales, finance, or marketing.

Data marts speed up business processes by enabling quick access to pertinent data in a data warehouse or operational data store, rather than having to wait months or more. A data mart is an economical way to quickly obtain useful insights because it only includes the data relevant to a certain business area.

Thus, it is a data mart where the data warehouse is created separately from the enterprise data warehouse by a department and is not reliant on it for updates.

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