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A university maintains student records, including courses taken and grades earned. To prevent update anomalies, what should be done when designing the database schema? Question
A university maintains student records, including courses taken and grades earned. To prevent update anomalies, what should be done when designing the database schema?
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Store the student's name and address in each course record
Store the course name and grade in each student record
Store the course name, student ID and grade in a separate course history record and reference it using foreign keys in the student and course records
Store the student ID and course ID in a single record.
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