Question: A one - to - one binary relationship involves a single entity type involves two entity types allows an occurrence of one entity type to

A one-to-one binary relationship
involves a single entity type
involves two entity types
allows an occurrence of one entity type to be associated with several occurrences of another entity type
allows an occurrence of one entity type to be associated with several occurrences of another entity type and vice versa
restricts the number of attributes that an entity has
A one-to-one binary relationship involves a single entity type involves two

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