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Based on the ERD above, a Teacher instructs many Students, and a Student has many Teachers. To track the "Grade" a specific teacher gave a specific student, where should the "Grade" attribute be placed?

publish date: 2026/03/24 21:14:12.520814 UTC

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In the Teacher entity

In the Student entity

In a new Associative Entity called "Enrollment"

It should be a global variable

In a new Associative Entity called "Enrollment"

Grade is a fact about the relationship, requiring an associative entity.

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