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Relationships avoid repeated inconsistent copies - Paper 1

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Invented tables: Students(ID,Name): (105,'Alex'), (205,'Alex'). Courses(ID,Title): (305,'Robotics'), (405,'Art'). Enrolments(StudentID,CourseID): (105,305), (205,405). Keys identify records; names and titles are display fields. Rename course 305 to 'Robotics lab' without replacing its ID.

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