What is a Data warehouse?
What is mean by data warehouse?
A data warehouse is an organized collection of logically related data.
Datawarehouse refers to a central repository of data where the data is assembled from multiple sources of information. Those data are consolidated, transformed and made available for the mining as well as online processing. Warehouse data also have a subset of data called Data Marts.
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Data warehouses (DWs) are small databases that collect and keep data for particular business units and address department-specific needs. If you are interested in this theme, I would recommend paying attention , which is complex structures divided into small databases that store information for all business units and respond to enterprise-level questions. Thus, it’s better to focus on enterprise warehouses to simplify query processing and cover the whole range of functionality.
Increased Efficiency: A data warehouse provides a single, unified view of the organization’s data, which reduces the time and effort required to access and analyze the data. This increases efficiency and productivity, as users can quickly and easily find the information they need.
Better Decision-Making: By providing access to accurate and reliable data, a data warehouse helps businesses make better decisions. It enables users to gain insights into business operations, customer behavior, market trends, and other key performance indicators, which can be used to improve business performance and competitiveness.
Scalability: A data warehouse is designed to handle large volumes of data and complex queries. As the organization’s data grows, the data warehouse can be scaled up to accommodate the additional data and users.