Which of the following models or diagrams is used to describe the structure of a database and represent the relationships within the database?

Which of the following models or diagrams is used to describe the structure of a database and represent the relationships within the database?

مندرجہ ذیل میں سے کونسا ماڈل یا ڈایاگرام ڈیٹابیس کی ساخت کو بیان کرنے اور ڈیٹابیس کے ڈھانچے کے درمیان ظاہر کرنے کیلئے استعمال ہوتا ہے؟
Explanation

The Entity Relationship (ER) Model visually represents entities, their attributes, and relationships in a database.

It is widely used in database design to define the logical structure before actual implementation.