Download Design Erd Supertype Subtype Example Download Zip PNG. There are different ways that supertypes and subtypes can be shown on an erd. Download diagram about markdown erd subtype here on this site for free.
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Subtypes are a special kind of weak entity by the fact that we're distributing the attributes and relationships of one logical entity (supertype) you can see the triggers in the rolldown database in the download (e.g. Edited from the above source. • subtype entities inherit values of all attributes of the. If you have a database with products and you have some products that share entities (for example: