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Creating ER Diagram

An ER diagram is a visual representation of the entities, attributes, and relationships between them in a database. Entities represent real-world objects or concepts that are important to the business or organization. For example, in a university database, entities might include students, courses, and instructors. Attributes are the characteristics of an entity. For example, the […]

February 17, 2023 | DBMS | No comments

Basic Concepts of ER Model

The ER (Entity-Relationship) model is a conceptual data model used in database design. It represents the data in terms of entities, attributes, and relationships. Here are the basic concepts of the ER model: Entity: An entity is a real-world object, concept or thing with an independent existence that can be easily distinguished from other objects. […]

February 15, 2023 | DBMS | No comments

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