A Commercial Data Warehouse (CDW) is a type of digital repository that enables companies to store, organize, and analyze large amounts of data. It serves as a central hub for a variety of business information sources. CDWs are designed to provide secure access to data sets while standardizing the platform of applications used in decision-making processes. Commonly stored data types include customer information, sales records, financial transactions, and product performance data. With its role in process optimization and analytics, the commercial data warehouse has become an essential tool for modern businesses.