Respuesta :
A weak entity has a primary key that is partially or entirely generated from the relationship's parent entity.
An entity type should contain a key attribute that uniquely identifies each entity in the entity set, although certain entity types do not have a key attribute. These are known as Weak Entities.
Entity sets with insufficient properties to generate a primary key are referred to as weak entity sets, whereas entity sets with a primary key are referred to as strong entity sets. Because the weak entities lack a primary key, they cannot be recognized on their own and must rely on another entity (known as owner entity).
Hence, the correct option is weak entity.
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