


The different departments of an organization may be visualized as the links of a chain, with some links (departments) using different technologies. The more technologies being used, the more complex its data model. The goal of a data model is to show what kind of data is being used and stored, the relationships between these entities (objects that exist), and ways the data can be organized. It is used to display and communicate connections between objects/concepts and shows their relationships. Data Modeling describes the creation of a visual representation (a chart or diagram) of a data system, or parts of that system. A data model should show the relationships that exist between various customers, concepts, products, among many.
