When an entity has multiple unique attributes,each one of them is mapped as a primary key of the resulting relation.

Question

Quizplus · Accepted Answer

Each entity should have only one primary key attribute that uniquely identifies the entity, and all other attributes should be mapped as non-primary key attributes in the resulting relation. Having multiple primary key attributes for a single entity violates database normalization rules and can lead to data redundancy and inconsistencies.

When an Entity Has Multiple Unique Attributes,each One of Them