Mapping Aggregation,”Relationships involving aggregations should reference all necessary primary keys from inside the aggregationEx.STUDENT(StudentID, StudentName)COURSE(CourseID, CourseName)PROFESSOR(ProfID, ProfName)TAKES(StudentID, CourseID)TEACHES(ProfID, StudentID

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Mapping Aggregation,”Relationships involving aggregations should reference all necessary primary keys from inside the aggregationEx.STUDENT(StudentID, StudentName)COURSE(CourseID, CourseName)PROFESSOR(ProfID, ProfName)TAKES(StudentID, CourseID)TEACHES(ProfID, StudentID

CourseID”