Use the specialized ERD software - ConceptDraw PRO to create the Entity-Relationship Diagrams (ERDs) of any degree of complexity with Chen's and Crow's Foot notations. There are three types of relationships: one-to-one, one-to-many, and many-to-many. The links between the blocks are used to describe relations between the entities. An ERD represents a diagram constructed mainly of rectangular blocks (for entities, data) linked with relationships. If you will be using ClickCharts at home you can.Įntity-Relationship Diagram (ERD) is applied for detailed description of structures and high-level (conceptual) design databases using the Chen's and Crow's Foot notations.
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