Question: A conceptual model includes : Only Entities, Attributes and Unique Identifiers Entities , Attributes, Unique Identifiers and Relationships Only Entities and Relationships Only Entities, Attributes

A conceptual model includes :
Only Entities, Attributes and Unique Identifiers
Entities, Attributes, Unique Identifiers and Relationships
Only Entities and Relationships
Only Entities, Attributes and Relationships

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