entity relationship model - Translating an EER diagram supertype into a database schema -

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how go turning supertype 2 subtypes database schema? if have supertype person 2 subtypes, student , staff, how translate database schema? (they have id, name, , email address).

i make table called person because if make table called stundent , staff if student staff @ same time? database become redundant. make table called person , assign students classes , staff there department.


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