22+ Erd Diagram Chen Notation PNG

22+ Erd Diagram Chen Notation
PNG
. For example, having given the price excluding vat and the vat rate, we can calculate. It is depicted as a rectangle.

Entity Relationship Model Wikipedia
Entity Relationship Model Wikipedia from upload.wikimedia.org
It is depicted as a rectangle. All graphic elements consume much space and provide no extra value to the model. Chen's original method is the basis for many writings on erds.

Chen's original method is the basis for many writings on erds.

An entity relationship diagram (erd) shows the relationships of entity sets stored in a database. Conceptual, logical and physical data models. People, customers, or other objects) relate to each other in an application or a database. All graphic elements consume much space and provide no extra value to the model.


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