42 er diagram dotted line
ERDs or Entity-Relationship Diagrams are a pictorial display of the tables (entities) within the data base structure. ... The connecting lines between tables will be either dotted or a combination of solid and dotted lines. When reading a connecting line, you will notice many instances where a portion of the line is solid and a portion is ... ER Diagram Representation. Let us now learn how the ER Model is represented by means of an ER diagram. Any object, for example, entities, attributes of an entity, relationship sets, and attributes of relationship sets, can be represented with the help of an ER diagram. What is ER Diagram? ER Diagram stands for Entity Relationship Diagram, also known as ERD is a diagram that displays the relationship of entity sets stored in a database. In other words, ER diagrams help to explain the logical structure of databases. ER diagrams are created based on three basic concepts: entities, attributes and relationships. Er diagram dotted line