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Identify each entity. Identify if the entity is a subtype, supertype, strong entity or weak entity.

Identify each entity. Identify if the entity is a subtype, supertype, strong entity or weak entity. Using the attached document.
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Computer Science_7597841.doc

Solution:
Weak entity:
Entity that cannot be uniquely identified by its attributes alone.
Strong entity:
One that does have a primary key is called a strong entity set.
Subtype:
These are sub group...

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