Chapter 1, Problem 2RQ

Explanation of Solution

Entity:

Entity is the basic block for building the data collected about person, place, event, or thing.

• Entities represent attributes that can have multiple instances.
• To locate the information in the entity, they have a name, short description about what they are and identifier.
• Identifiers are used to identify each and every individual instance of an entity.
• Relationship denotes the link between the entities...