Entity Relationship Diagram Example: Production Tracking


ER diagrams symbolically shows the objects involved in a problem domain and the inter-relationships among these objects. This is an ERD for production tracking, which contains entities like lot, raw material and production units.

This ER design example and template can be edited with Visual Paradigm Online, an online diagramming software. Click Use this Template to edit this ERD template, or click Create Blank to create a new one.

What is Entity Relationship Diagram (ERD)?

The Entity-Relationship (ER) diagram (also known as ERD's or ER models) is a classical and popular conceptual data model originally proposed by Peter in 1976. It is a visual representation of different entities within a system and how they relate to each other. Entity Relationship Diagrams are widely used to design relational databases. The entities in the ER schema become tables, attributes and the converted database schema. Since they can be used to visualize database tables and their relationships it's commonly used for database troubleshooting as well.

Benefits of ER diagrams

  1. Easy to understand and do not require a person to undergo extensive training to be able to work with it efficiently and accurately
  2. Easily communicate with developers, customers, and end users, regardless of their IT proficiency.
  3. Readily translatable into relational tables which can be used to quickly build databases.
  4. Can directly be used by database developers as the blueprint for implementing data in specific software applications.
  5. May be applied in other contexts such as describing the different relationships and operations within an organization.

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