What is Data Data is information that has been translated into a form that is more convenient to move or process. What is Database Database is an organized collection of related data. What is warehouse Warehouse is the place where we store data. What is Data Mart Data mart contains a subset of organization-wide data. This subset of data is valuable to specific groups of an organization. In other words, we can claim that data marts contain data specific to a particular group. For example, the marketing data mart may contain data related to items, customers, and sales. Data marts are confined to subjects. What is Data Warehouse A data warehouse is a centralized repository that stores data from multiple information sources and transforms them into a common, multidimensional data model for efficient querying and analysis. The most popular definition came from Bill Inmon, who provided the following: “A data warehouse is a subject-oriented, inte...