Question

Which data model is required for conceptual data design?

• A. Physical model
• B. ER model
• C. Semantic mode
• D. Network model

Hint:

Use ER diagrams to map logical structure of data during early design stages.

Answer 1

The Correct Option is B

The Entity-Relationship (ER) model is primarily used in the conceptual design phase of a database.
It helps to define entities, relationships, and constraints independent of the physical considerations.