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Managing & Using MySQL, 2nd Edition by Hugh E. Williams, Randy Yarger, George Reese, Tim King

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Database Entities

An entity is a thing or object of importance about which data must be captured. Not all “things” are entities, only those things about which you need to capture information. 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 is not really an entity. A database entity appears in a data model as a box with a title that is the name of the entity.

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