What is ER Modeling - Shikshaglobe

ER Modeling is a database modeling technique that creates a graphical representation of the relationships between data. ER Modeling is used to design and represent relationships between data in a database. ER Modeling is a way of visualizing how data is related in a database. ER Modeling is used to create a visual representation of the relationships between data.

It's a database design technique that allows you to visualize the relationships between data entities in your database. ER modeling is used to design relational databases. In ER modeling data is represented in the form of entities and relationships. An entity is a real-world object that can be uniquely identified such as a person place or thing. A relationship is a connection between two entities.

An ER model is a design or blueprint for a database that can be used to represent the data in a company or other organization. The model includes Entity Relationship Diagrams (ERDs) which show the relationships between different entities in the system. ER models can be used to design databases for use in applications such as customer relationship management (CRM) systems and enterprise resource planning (ERP) systems.

The ER model defines the conceptual view of a database. It works around real-world entities and relationships. ER model is based on three basic concepts:

-Entities are the things of interest in our database. An entity is an object a person place or thing about which we want to store information.

-Attributes are the properties or characteristics of an entity. For example height weight and social security number are attributes of a person entity.

-Relationships are associations between entities. For example a person entity might be related to an address entity.


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