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Relationships avoid repeated inconsistent copies - Paper 2

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): (106,'Alex'), (206,'Alex'). Courses(ID,Title): (306,'Robotics'), (406,'Art'). Enrolments(StudentID,CourseID): (106,306), (206,406). Keys identify records; names and titles are display fields. Rename course 306 to 'Robotics lab' without replacing its ID.

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