Microsoft
70-451 · Question #78
70-451 Question #78: Real Exam Question with Answer & Explanation
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Question
You are a database developer. You plan to create a database by using SQL Server 2008. The database will store information about students, teachers, classes, and rooms in a school. The database will be used by a scheduling application. In the design plan, the following facts have to be considered: - Each teacher can teach one or more classes. - Each student can register for one or more classes. - Each class can be in one or more rooms. - Each room can host one or more classes. You identify the following entities for the database design: - Students - Teachers - Classes - Rooms - ClassesStudents - ClassesTeachers You need to design the database to ensure normalization. What should you do?
Options
- A
- Add a new entity named TeachersStudents.
- B
- Add a new entity named ClassesRooms.
- C
- Add a new entity named TeachersRooms.
- D
- Create a new entity named StudentsRooms.
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