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Database Entities

An entity is a thing or object of importance about which data must be captured. All things aren't entities—only those about which information should be captured.

Information about an entity is captured in the form of attributes and/or relationships. If something is a candidate for being an entity and it has no attributes or relationships, it isn't an entity.

Database entities appear in a data model as a box with a title. The title is the name of the entity.

Database entity
An entity in a data model