Question: What is a subtyping in entity - relationship modeling? A type of constraint that specifies that an entity nust participate in a relationship A type

What is a subtyping in entity-relationship modeling?
A type of constraint that specifies that an entity nust participate in a relationship
A type of relationship in which an entity has a one-to-many relationship with another entity
A type of constraint that specifies that an entity can participate only partially in a relationship
A technique for representing a hierarchy of entities in which lower-level entities inherit attributes from higher-level entities
What is a subtyping in entity-relationship modeling? A type of constraint

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