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Develop subtypes and supertypes

Develop subtypes and supertypes: Learning Relational Databases
Develop subtypes and supertypes: Learning Relational Databases

Different entities that are being stored in the database will sometimes have similar attribute fields in common. By storing common attributes in a supertype table and unique attributes in a subtype table, you can streamline the structure of your relations

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Skill Level Beginner
2h 37m
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