Final Online Grading System

8/13/2019 Final Online Grading System

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Online Grading System

Team 2: Chandrika Parasuraman

Manjushree Sanglikar

Pratima Pillarisetti

Arundhati Shenoy


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Project Purpose

This is a web-based database application for a

university where students and instructors will be able

to use the system to perform their related operations

like checking and assigning of grades respectively.Designed to be very secure by providing a login

feature which authenticates the user by means of a

user name and password with which user will be able

to login to his/her respective pages and use the systemas required.


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System Users

AdministratorThe user that manages the entire

system.

InstructorThe user that assigns the grades for the

students and calculates class performance.

StudentThe end user who can check his grades and

compares his performance with the class.


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System Actions by Administrator

Add/Remove user accounts (for student/instructor)

Manage the roles for the user

Manage course records Manage period records


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System Actions by Instructor

Enter student grade for a course

Update student grade for a course

Search for student record (based on student ID or

student name)

Run reports to calculate class performance

Run reports to enquire grades for any student in the

class


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System Actions by Student

View all the courses taken for that particular period

Check grade in the courses

Get transcript (entire grade history)

Compare his/her performance with the class


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Database User EntitiesThe Database includes the following main user entities:

User- User ID (primary key)- Password- Role (admin or instructor or student)

Instructor- Instructor ID (primary key)- First Name- Last Name- Phone number- Mailing address- Email address- Job title- Department ID [references Department ID of Department table]

Student- Student ID (primary key)- First Name- Last Name- Phone number- Mailing address- Email address

- Department ID [references Department ID of Department table]


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Database University Entities

The Database includes the following main university related entities:

Grade- Grade ID (primary key)- Grade character (A,A-,B+,B etc)- Grade Value ( A has a value of 4, A- has a value of 3.7 etc.)

Course- Course ID (primary key)

- Department ID [references Department ID of Department table]- Course Name- Credits (Number of Units, eg:1, 2, 3)

Period- Period ID (primary key)- Semester (Fall, Spring, Summer)- Year(2008, 2009 etc)

- Start Date- End Date

University- University ID (primary key)- University name (SDSU)- Phone number- Mailing address


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Database Table Entities

Student Grade- Grade ID [references Grade ID of Grade table ]- Student ID [references Student ID of Student table ]- Course ID [references Course ID of Course table ]- Period ID [references Period ID of Period table ]

Instructor Course

- Instructor ID [references Instructor ID of Instructor table ]

- Course ID [references Course ID of Course table ]


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Database Schemas

Separate interfaces depending on the type of the user

logged in

All mandatory fields pre checked

All data that are specific to a user type made available

Database normalization done where appropriate


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Subsystems

Login Management : The initial login screen for

Online Grading System

User Management : Create/Edit a user account

Report Module : Allows either a student or theinstructor to run reports.


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Data Flow Diagram for Adminstrator

Administrator Login

Add,Edit,Delete

Details

Add,Edit,Delete

Details

Password

UsernameValidates

Not validates

Student table

Instructor_course

table

Student

Information

Instructor

Information

User_proj table


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Data Flow Diagram for Student

Student Login User_proj table

View grade

and summary

Student_grade table

Username

Password

Validates

Not validates


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Data Flow Diagram for Instructor

Instructor LoginsUser_proj

table

Add,Edit,Delete

and Views

Class Average

Student_grade

table

Username

Password

Validates

Not validate


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Entity Relationship Model


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Login Web Page


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Administrator Interface


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Instructor Interface


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Student Interface


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Software and Hardware

Software Used:

- Oracle SQL (10.2.0.1) to store the data

- JSP, Servlets, Java - front end and the business

logic.

Hardware Used:

-

Rohan is a SunFire 4800 running Solaris 10


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Source Code and Web Info

The code and website is located at

/home/ma/222.01/masc1383/jakarta-tomcat-

5/webapps/my_project

Our website runs on Port 64001

Home Page:

http://rohan.sdsu.edu:64001/my_project/Time_Sheet_Login.html


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Future Enhancements

Add more input validations and error messages into

the interface

Enhance student interface by providing him with

more options to access like assigning tasks, changehis password etc

Add a pop up calendar interface

Post new announcements related to the universityavailable to all the users

Documents

Final Online Grading System