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Project Descriptions: You are asked to design a database for a university that s

ID: 3919096 • Letter: P

Question

Project Descriptions: You are asked to design a database for a university that satisfies the following require- ments: 1. The database keeps information of each professor, including the social security num ber, name, address, telephone number, sex, title, salary, and college degrees. The address includes street address, city, state, and zip code. The telephone number includes the area code and 7 digit number 2. Each department has a unique number, name, telephone, office location, and a chair- person who is a professor 3. Each course has a unique number, title, textbook, units. Each course also has a set of prerequisite courses. Each course is offered by a department 4. Each course may have several sections. Each section has a section number that is unique within the course, a classroom, meeting days, a beginning time, an ending time a number of seats. Each section is taught by a professor 5. The database keeps student records, including the campus wide ID, name, address and telephone number. Each student majors in one department and may minor in sev eral departments. The name includes first name and last name 6. The database keeps enrollment records. Each record has a student, a course section and a grade Design your database and create at least the following numbers of records 8 students 2 departments 3 professors 4 courses 6 sections 20 enrollment records You should provide interfaces for the following individuals: For the professors: Given the social security number of a professor, list the titles, classrooms, meeting days and time of his/her classes b. Given a course number and a section number, count how many students get each distinct grade, ie. .A'·'A-,, .B+"·?'·'B-', etc For the students: a. Given a course number list the sections of the course, including the classrooms. the meeting days and time, and the number of students enrolled in each section b. Given the campus wide ID of a student, list all courses the student took and the grades

Explanation / Answer

Database Design

1. PROFESSOR TABLE

Attribute Name

Data Type

Description

SSN

Integer

Primary key

Name

Varchar

Street_address

Varchar

City

Varchar

State

Varchar

Zip

Integer

Ph_area_code

Integer

Ph_no

Integer

Sex

Varchar

Title

Varchar

Salary

Integer

College_degrees

Varchar

2. DEPARTMENT TABLE

Attribute Name

Data Type

Description

Department_ID

Integer

Primary key

Name

Varchar

Ph_no

Integer

Office_location

Varchar

Chair_person_ID

Varchar

Foreign key

3. COURSE TABLE

Attribute Name

Data Type

Description

Course_ID

Integer

Primary key

Title

Varchar

Textbook

Varchar

Units

Varchar

Department_name

Varchar

Foreign key

4. SECTION TABLE

Attribute Name

Data Type

Description

Section_ID

Integer

Primary key

Course_ID

Integer

Primary key

Classroom

Varchar

Meeting_days

Date

Beginning_time

Integer

Ending_time

Integer

Number_of_seats

Integer

Professor_ID

Integer

Foreign key

5. STUDENT TABLE

Attribute Name

Data Type

Description

Student_ID

Integer

Primary key

First_name

Varchar

Last_name

Varchar

Address

Varchar

Ph_no

Integer

Major_department_ID

Integer

Foreign key

6. ENROLLMENT TABLE

Attribute Name

Data Type

Description

Student_ID

Integer

Primary key

Course_ID

Integer

Foreign key

Grade

Varchar

********************END*****************PLS GIVE ME GOOD RATING*****************

Attribute Name

Data Type

Description

SSN

Integer

Primary key

Name

Varchar

Street_address

Varchar

City

Varchar

State

Varchar

Zip

Integer

Ph_area_code

Integer

Ph_no

Integer

Sex

Varchar

Title

Varchar

Salary

Integer

College_degrees

Varchar