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Asked: 2026-05-26T18:47:48+00:00

I have a question about entity creations that is specific to a student information

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I have a question about entity creations that is specific to a student information system that i am building. i have created a Person table (id..) and i am trying to find out how i can handle my student, parent references. is it a good idea to create two separate tables (Student, Parent) that reference the Person table by FK relationship? All of the details about a Person (firstname, last name, SSN …) have been set in the Person table but there are differences between a parent and student, how do you handle this in a database?

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1 Answer

  1. Editorial Team

    Since there are fundamental differences between parents and students, two tables would be the preferred solution. This way you can easily create a relation connecting the students and parents.

    The other option is to use null values in the columns that do not apply for a given record. However, it will be more difficult to ensure that the relation always connects a student and parent.

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