
Introduction of ER Model - GeeksforGeeks
Nov 17, 2025 · The Entity-Relationship Model (ER Model) is a conceptual model for designing a databases. This model represents the logical structure of a database, including entities, their …
Entity–relationship model - Wikipedia
An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things …
What is Entity Relationship Diagram (ERD)? - Visual Paradigm
Learn Entity Relationship Diagram (ERD). Read this ERD guide for everything you need to know about data modeling and database design with ERD.
What is an entity relationship diagram? - IBM
An entity relationship diagram (ER diagram or ERD) is a visual representation of how items in a database relate to each other. ERDs are a specialized type of flowchart that conveys the …
ER Diagram (ERD) - Definition & Overview | Lucidchart
An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system.
Entity Relationship (ER) Model - W3Schools
ER modeling is a top-down structure to database design that begins with identifying the important data called entities and relationships in combination with the data that must be characterized …
ER Diagram Symbols Explained | A Beginner’s Guide | Creately
Apr 23, 2025 · ER diagram symbols are essential visual tools that simplify the complexities of database structures. These symbols offer a graphical representation of entities, attributes and …
Entity Relationship (ER) Diagram Model with DBMS Example
Aug 14, 2025 · ER Model stands for Entity Relationship Model is a high-level conceptual data model diagram. ER model helps to systematically analyze data requirements to produce a well …
What is an entity relationship diagram (ERD)? - TechTarget
Oct 14, 2025 · ERDs provide a visual starting point for database design that can also be used to help determine information system requirements throughout an organization. After a relational …
Entity-Relationship Model: The Cornerstone of Database Design
Mar 13, 2025 · What is the Entity-Relationship Model? The Entity-Relationship Model is a conceptual framework used to visually model databases. Developed by Peter Chen in 1976, it …