What Is a Data Warehouse?
A data warehouse is a centralized repository that stores structured and semi-structured data from various sources within an organization. Think of it as a single, comprehensive source of truth for all your business data. Key Characteristics of a Data Warehouse: Centralized: Information is combined from several sources into one cohesive place, such as web servers, social media, point-of-sale (POS) systems, and customer relationship management (CRM) systems. Subject-Oriented: Rather than being arranged according to departmental silos or applications, data is arranged according to certain business subjects, such as clients, goods, sales, and finance. Integrated: To guarantee data accuracy and uniformity throughout the company, data from several sources is combined into a common format. Time-Variant: By storing historical data, data warehouses provide forecasting, trend analysis, and a knowledge of how company performance has changed over time. Read-Only: Analysis and reporting are the m...