Describe and contrast the concepts of aggregation and composition and provide an example of each.

What will be an ideal response?

Aggregation represents a ‘has-a’ or ‘is-part-of’ relationship between entity types, where one
represents the ‘whole’ and the other ‘the part’. Composition is a specific form of aggregation that represents an association between entities, where there is a strong ownership and
coincidental lifetime between the ‘whole’ and the ‘part’