Importance of Entity-Relationship diagram in database design
Entity-Relationship Diagram views real world as entities. It introduced in 1976 by P.P.Chen and is known as ER Diagram, E R Model, etc.
The following states the importance of Entity-Relationship diagram −
Assist the Database Developer
The ER Diagram assists the design even before the construction of tables begins.
Requirements Gathering
This helps the users to plan how to organize data.
Documentation Tool
ER Diagrams can work as a documentation to make others understand the core of the database.
Logic of the database
It communicates the logical structure of the database to the users.
Blueprint
An ER Diagram is considered as the blueprint of the database.
Published on 03-Jul-2018 20:27:51
