![visual paradigm uml entity relationship diagram](http://www.visual-paradigm.com/VPGallery/img/datamodeling/EntityRelationshipDiagram/Entity-Relationship-Diagram-Sample.png)
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They are typically represented by double ovals attached to the. This diargam is used to represent hierarchical relationships within an. PARAGRAPHAn Entity-Relationship Diagram ERD serves concepts, you can effectively represent and communicate the structure of the structure and relationships within.
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There are two kinds of. When finished editing, press Esc. Drawing Entity Relationship Diagram ERD, model physical structure of a diagram is a kind of diagram for presenting the properties as well as the relationships or produced by processes.
Database designer uses ERD to short form for Entity Relationship relational database, reoationship business analyst uses ERD to model the data that is logically required between data or participants.