Respuesta :
A data warehouse (DW) is a digital storage system that connects and harmonizes large amounts of data from disparate sources. Its purpose is to support business intelligence (BI), reporting and analytics, and to support regulatory requirements. It enables businesses to transform data into insights and make intelligent, data-driven decisions. A data warehouse stores current and historical data in one place and serves as a single source of truth for your organization.
Data flows into the data warehouse, typically on a regular basis, from operational systems (such as ERP and CRM), databases, and external sources such as partner systems, Internet of Things (IoT) devices, weather apps, and social media. The advent of cloud computing has changed the situation. In recent years, data storage locations have moved from traditional on-premises infrastructure to multiple locations, including on-premises, private clouds, and public clouds.
Modern data warehouses are designed to handle both structured and unstructured data such as videos, image files, and sensor data. Some companies use built-in analytics and in-memory database technology (which stores records in computer memory instead of disk) to provide real-time access to reliable data and facilitate reliable decision-making. To do. Without data warehousing, it is very difficult to combine data from disparate sources, ensure it is in a suitable format for analysis, and maintain a current and long-term view of data over time.
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