what is ER diagram? how it help you to model the database
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Facts about ER Diagram Model
It is an easy to use graphical tool for modeling data. Widely used in Database Design. It is a GUI representation of the logical structure of a Database. It helps you to identifies the entities which exist in a system and the relationships between those entities.
Explanation:
- Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design.
- An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.
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