20 May Object and entity

After reading Chapters 1 and 2 of the textbook, do Exercise 2 of Chapter 2 of the textbook:

Use examples to distinguish between the following:

a) an object type and an entity type

b) an object and an entity

c) a property and an attribute

d) an entity and an entity instance

e) an association and a relationship

f) an object class and an entity class

Please discuss as a group these topics. Each topic needs at least one entry.

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