The problem that data warehouses solve is that they provide a single, consistent view of data that can be used by multiple users and multiple applications.
Data warehouses store data in a format that is optimized for query and analysis, rather than for transaction processing. A data warehouse is a relational database that is designed for query and analysis rather than for transaction processing. It usually contains historical data that is derived from transaction data, but it can also contain data from other sources.
Data warehouses are often used to store data from multiple sources in a single location. This allows users to access the data from multiple applications in a consistent way.
A data warehouse is often used to provide a centralized view of data for reporting and decision-making. Data warehouses are often used to support business intelligence applications.
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