An ER diagram is a graphical representation of the entities, attributes, and relationships in your database. It can help you with database normalization and optimization in DBMS. Here's how.

DBMS implemant with complex data structure and logic which is user can not understand easily. Also understanding the how DBMS process the data is more complex so developers hide this thing from user.

ER diagrams can help you visualize, communicate, validate, simplify, and enhance your data. Learn how to use ER diagrams for database normalization and optimization in DBMS.