Applying the entity relationship data modeling process will result in producing the entity relationship diagram (ERD) that has entities, attributes, and the relationships between the entities.

• Explain how the entity relationship diagram (ERD) is used as a blueprint to generate relations in the relational database application.
• There are three modeling notations used to document the entity relationship diagram (ERD): Crows Foot, Chen, and UML notations. Which one of these would you prefer to use for database application and why?