Answer to Question #252711 in Databases | SQL | Oracle | MS Access for Tege

Question

1. Consider the following set of requirements for a UNIVERSITY database that is used to keep track of students’ transcripts

a. The university keeps track of each student’s name, student number, Social Security number, current address and phone number, permanent address and phone number, birth date, sex, class (freshman, sophomore, ..., graduate),major department, minor department (if any), and degree program(B.A., B.S., ..., Ph.D.). Some user applications need to refer to the city,state, and ZIP Code of the student’s permanent address and to the student’slast name. Both Social Security number and student number have unique values for each student.

b. Each department is described by a name, department code, office number,office phone number, and college. Both name and code have unique values for each department.

c. Each course has a course name, description, course number, number of semester hours, level, and offering department. The value of the course number is unique for each course

Answer 1

1. For a., both Social Security number and student number are both candidate keys. We create the table using CREATE TABLE statement
2. For b. the name and code are both candidate keys, either or the combination of both is used as primary key
3. For c., course number is the primary key