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Entity-relationship model - Wikipedia, the free encyclopedia
An entity-relationship model (ERM) is an abstract conceptual representation of structured data. Entity-relationship modeling is a relational schema database modeling method, used ...
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Entity-Relationship Diagram
What is a database? Find out here! ... Definition: An entity-relationship (ER) diagram is a specialized graphic that illustrates the interrelationships between entities in a ...
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The Entity Relationship Diagram
The Entity Relationship Diagram. We can express the overall logical structure of a database graphically with an E-R diagram. Its components are: rectangles representing entity sets ...
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What is entity-relationship diagram? - a definition from Whatis.com ...
An entity-relationship diagram is a data modeling technique that creates a graphical representation of the entities, and the relationships between entities, within an information ...
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Entity-Relationship Diagram
Entity-Relationship Diagram . Definitions . Entity An entity is a person, place, thing, concept, or event about which it isnecessary to keep data.
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Entity-Relationship Modelling
An Entity-Relationship (E-R) Diagram (or E-R Model) visually depicts an organization's entities, the entities' relationships to each other, and the business rules (i.e ...
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entity-relationship diagram definition |Dictionary.com
Free DB Modeling Trial Design and Build More Powerful Databases with ER/Studio. www.Embarcadero.com
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Entity-Relationship Diagram
Entity-Relationship diagrams (ERD) emerged in the 1970's from work by Dr. Peter Chen and others. They were looking for means to simplify the representation of large and complex ...
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Database Management Systems - Prof. Holowczak
Technically, an Entity-Relationship diagram should show only entities and their relationships. Consider: Entity-Relationship-Attribute (ERA) model. Two main ways to ...
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What is entity-relationship diagram? - A Word Definition From the ...
This page describes the term entity-relationship diagram and lists other pages on the Web where you can find additional information.
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