Data Warehouse -

: Organized around specific business themes (like sales or customers) rather than operational applications.

A data warehouse (DWH) is a centralized repository designed to store, integrate, and analyze data from multiple sources to support business intelligence and decision-making. Unlike transactional databases that handle day-to-day operations, a warehouse is optimized for complex queries and historical trend analysis.

: Stores historical records, allowing analysts to track trends and metrics across specific time periods. Key Components and Architecture data warehouse

According to industry standards, a data warehouse is defined by four primary traits:

Building a Data Warehouse for Social Media: Review and Comparison : Organized around specific business themes (like sales

: Data is stable; once entered, it is not typically changed or deleted, ensuring high integrity and persistence over time.

: Combines data from disparate sources (e.g., SQL databases, flat files, cloud apps) into a consistent format. : Stores historical records, allowing analysts to track

Modern warehouses typically use a tiered architecture to manage data flow: