Printable worksheet ยท 4 of 4
Relationships avoid repeated inconsistent copies - Paper 4
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Invented tables: Students(ID,Name): (108,'Alex'), (208,'Alex'). Courses(ID,Title): (308,'Robotics'), (408,'Art'). Enrolments(StudentID,CourseID): (108,308), (208,408). Keys identify records; names and titles are display fields. Rename course 308 to 'Robotics lab' without replacing its ID.
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