Chen Model Erd. Since then charles bachman and james martin have added some slight refinements to the basic chen erd principles. Chen s notation of the entity relationship diagram depicts data and domain models using entities attributes and relationships.
An Overview Of All Elements Of E R Diagram Chen Notation Relationship Diagram Notations Diagram from www.pinterest.com
Unlike other er diagram notations it shows attributes as standalone boxes not as a part of entities. The chen erd notation model is a popular standard and is widely used worldwide in database and software design. Peter chen s original paper on the entity relationship model er model is one of the most cited papers in the computer software field.
Chen erd was developed in 1976 by peter chen who is a distinguished american computer scientist.
Peter chen s original paper on the entity relationship model er model is one of the most cited papers in the computer software field. Peter chen who developed entity relationship modeling and published his work in 1976 was one of the pioneers of using the entity relationship concepts in software and information system modeling and design. The entity relationship model proposed by dr. Drag and drop interface selection and reshape handles auto connection alignment and distribution of shapes built in symbols in popular vector format readily available templates symbols for chen erd.
