Subject (subject_id, sec_id, semester) Here the subject course_id, sec_id andsemester areand course is a(A) Relations, Attribute(B) Tuple, Attributes(C) Suple, Relation(D) Attributes,

Subject (subject_id, sec_id, semester)
Here the subject course_id, sec_id andsemester areand course is a(A) Relations, Attribute(B) Tuple, Attributes(C) Suple, Relation(D) Attributes, Relation​

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