EER Modelling and SQL for College Management System

This article discusses the EER modelling and SQL implementation for a college management system. It covers the conceptual and logical database design, data population, and SQL query writing. The article also includes an EER diagram and enterprise rules being modelled.

Running head: EER MODELLING AND SQL
Database Systems and Design
Name of the Student
Name of the University
Author’s Note

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EER MODELLING AND SQL
Table of Contents
Stage 1: Scenario and Conceptual Database Design..................................................................2
Task 1.1: Selection of the case upon which the database design and implementation is to be
based.......................................................................................................................................2
Task 1.2: Conceptual database design for the scenario and the list of enterprise rules being
modelled.................................................................................................................................2
Stage 2: Logical Database Design and Oracle SQL Implementation........................................3
Task 2.1: Logical Database Design for the scenario..............................................................3
Task 2.2: Create tables using Oracle DBMS.........................................................................6
Task 2.3: Create four most useful indexes on the tables........................................................6
Task 2.4: Data Population......................................................................................................8
Task 2.5: SQL Query writing...............................................................................................10
Bibliography.............................................................................................................................14

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EER MODELLING AND SQL
Stage 1: Scenario and Conceptual Database Design
Task 1.1: Selection of the case upon which the database design and implementation is to
be based
For the development of the database college management system is selected where the
system is designed for handling academic and non-academic activities. The system is create
for providing detailed structure of the college and synchronizing the working of each of the
department. It provides a joint integrated platform for the management of the administration,
staff details, attendance and other modules. For the development of CMS the user are needed
to be identified and the system is aligned according to the requirement and the database is
developed using oracle.
Task 1.2: Conceptual database design for the scenario and the list of enterprise rules
being modelled
EER Diagram

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EER MODELLING AND SQL
Enterprise Rules
 The college administrator has the functionality to register new students and courses
 The administrator have the right to create new department and allocate new courses,
create facility and allow subject to the faculty.
 The faculty have the right to enter the marks and attendance of the student and the
students are provided with the access to check their attendance and marks but they are
not provided rights to modification.
Stage 2: Logical Database Design and Oracle SQL Implementation
Task 2.1: Logical Database Design for the scenario

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EER MODELLING AND SQL
P17238602ATTENDANCE
P17238602COURSE
P17238602DEPARTMENT
P17238602ENROLLMENT

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EER MODELLING AND SQL
P17238602FACULTY
P17238602SCHEDULE
P17238602SECTION

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EER MODELLING AND SQL
P17238602STUDENT
Task 2.2: Create tables using Oracle DBMS
Task 2.3: Create four most useful indexes on the tables
P17238602ATTENDANCE_IDX1

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EER MODELLING AND SQL
P17238602DEPARTMENT_IDX1
P17238602STUDENT_IDX1

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EER MODELLING AND SQL
Task 2.4: Data Population
P17238602COURSE
P17238602STUDENT
P17238602SECTION

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EER MODELLING AND SQL
P17238602FACULTY
P17238602ENROLLMENT
P17238602DEPARTMENT

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EER MODELLING AND SQL
P17238602ATTENDANCE
P17238602SCHEDULE
Task 2.5: SQL Query writing
Use of count and/or another similar mathematical expression

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EER MODELLING AND SQL
Select count (name)
From P17238602Department;
Selection of particular table columns
Select name
from P17238602Department;
Inner Join of at least 2 tables
Select P17238602Faculty.FirstName , P17238602Faculty.LastName,
P17238602Department.Name
from P17238602Faculty, P17238602Department
where
P17238602Faculty.DepartmentID = P17238602Department.ID;

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EER MODELLING AND SQL
Use of a sorting/ordering facility
SELECT rank
FROM P17238602FACULTY
ORDER BY rank;
A condition using “<”, “>”
SELECT *
FROM P17238602ATTENDANCE
Where Hours > 4;

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EER MODELLING AND SQL
A condition using IN, NOT NULL, or similar
Alter table P17238602DEPARTMENT
Modify Contactphone number NOT NULL;

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EER MODELLING AND SQL
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