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Which of these is the best term for an entity that exists only to manage relationships between other entities and therefore might not have its
Which of these is the best term for an entity that exists only to manage relationships between other entities and therefore might not have its own primary key? Supertype entity Subtype entity Weak entity Strong entity 
Which of these is the best term for an entity that exists only to manage relationships between other entities and therefore might not have its own primary key?
Supertype entity
Subtype entity
Weak entity
Strong entity
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