Question

Which of the following best illustrates the relationship between entities and​ attributes? A. The entity PRODUCT with the attribute PURCHASE B. The entity CUSTOMER with the attribute PURCHASE C. The entity PURCHASE with the attribute CUSTOMER D. The entity CUSTOMER with the attribute PRODUCT E. The entity PRODUCT with the attribute CUSTOME

Answer 1

Answer:

B) The entity CUSTOMER with the attribute PURCHASE

Explanation:

The entity is an existing real world object or person, while an attribute is a feature or characteristic of the entity.

In a relational data model (RDBMS), entities are represented as data in an entity set (customer) while the field represents the different attributes or properties of the entity.

Answer 2

Answer:

B. The entity CUSTOMER with the attribute PURCHASE

Explanation:

Entities are distinct or non distinguishable real-world objects,an example is a person or customer, product etc.

Attributes are the features or characteristics of an entity, an example is name, sales etc.

A good example to best illustrate the relationship between entities and​ attributes is an inventory and sales record which store information about products, customers, and sales, the product and customers are entities, while sales is the relationship between customers and products.