: Organized around specific business themes (like sales or customers) rather than operational applications.
: Stores historical records, allowing analysts to track trends and metrics across specific time periods. Key Components and Architecture data warehouse
: Data is stable; once entered, it is not typically changed or deleted, ensuring high integrity and persistence over time. : Organized around specific business themes (like sales
: Combines data from disparate sources (e.g., SQL databases, flat files, cloud apps) into a consistent format. data warehouse
According to industry standards, a data warehouse is defined by four primary traits: