Data Modeling

Data modeling is the process

Data modeling is the process of creating a blueprint for how data will be stored and used. It includes defining data types, relationships, and the way

An entity is a real

An entity is a real-world object or concept about which data is stored. It can be a name, place, object, or class. It is represented by a rectangle in

An attribute is a property

An attribute is a property or characteristic of an entity, such as age, roll number, or marks for a student. It is represented by an ellipse in an ER

A relationship shows how entities

A relationship shows how entities are connected to each other. It is represented by a diamond or rhombus in an ER diagram.

A conceptual data model gives

A conceptual data model gives a high-level view of what the system will contain, how it will be organized, and what business rules apply. It is develo