Entity-Relationship Diagram  (ERD)                             
                                                    
                        
                        
                        
                            An Entity-Relationship Diagram (ERD) is a visual presentation of entities and relationships. That type of diagrams is often used in the semi-structured or unstructured data in databases and information systems.   At first glance ERD is similar to a flowch                        
                                            
                            
                                
                                Entity-Relationship Diagram  (ERD)                             
                                                    
                        
                        
                        
                            Entity-Relationship Diagram (ERD) solution extends ConceptDraw PRO software with templates, samples and libraries of vector stencils from drawing the ER-diagrams by Chen's and crow’s foot notations.                        
                                            
                            
                                
                                Chen Notation                            
                                                    
                        
                        
                        
                            The Chen Notation solution extends ConceptDraw PRO v10 software with rich collection of ERD samples and selection of special Chen's notation icons for effective database design, data modeling, and visual representation of relationships between the entities on the ER diagrams designed with Chen notation.                        
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