Draw the Basic Entity Relationship (ER) and Extended Entity
Relationship (EER) Diagrams.
List all the attributes for each entity.
Underline the keys (identifiers).
Identify each entity as a fundamental, attributive, or associative
entity.
Label the maximum and minimum cardinality for the relationships.
Write down your assumptions about business rules.
Be careful that your assumption is an addition to but not against
the original business rules.
NEED TO USE DRAW. IO
Fig: 1