Data Warehouse

A data warehouse is a large, centralized repository of data that is used to support business decision-making activities. It is designed to store and manage large volumes of data from a variety of sources, including transactional systems, operational databases, and external sources. Data warehouses are typically optimized for querying and analysis, and are often used to support business intelligence (BI) and data analytics applications. They are also used to support data mining and machine learning activities, as well as other advanced analytics techniques. Data warehouses are typically designed using a dimensional data model, which organizes data into fact tables and dimension tables. They are also often optimized for performance, with features such as indexing, partitioning, and materialized views.
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