What is a Data Model?

Data Model Definition

A Data Model is a structured framework that defines what types of data a system stores, how that data is organised, and how different pieces of data relate to each other. In practical terms, it answers questions like: what fields does a product record contain, what format must each field follow, and how does a product connect to a supplier or a category.

How does a data model relate to PIM or MDM?

Every PIM and MDM system is built on a data model, whether explicitly defined or not. A well-designed model makes it clear where each piece of information lives, prevents duplication, and ensures that data from different sources can be mapped consistently. A poorly designed one leads to fields being used for the wrong purpose, inconsistent values, and integration failures.

What is the difference between a data model and a data structure?

The terms are often used interchangeably, but a data model is the conceptual design: the decisions about what entities exist and how they relate, while a data structure is the technical implementation of those decisions inside a specific system. The Product Data Model is a domain-specific example applied to product information.