Computer Science IT project assignment

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Project I

Project
Deadline: Sunday 12/5/2024 @ 23:59
[Total Mark is 14]
Introduction to Database
IT244

College of Computing and Informatics
Project Instructions
· You can work on this project as a group (minimum 2 and maximum 3 students). Each group member must submit the project individually with all group member names mentioned on the cover page.
· This project is worth 14 marks and will be distributed as the following:
· Design a Conceptual Schema using ER modeling concepts, including (Entities, Relationships, Attributes, Participation (Total or Partial), and Cardinality). (3 marks)
· Tables before Normalization. (2 marks)
· Tables after Normalization Using mapping Algorithm. (3 marks)
· Use MySQL or any other DBMS to create the normalized tables and
populate your tables with at least 10 rows. (3.5 marks)
· Execute the requested sample queries. (2.5 marks)
· Each student must submit one report about their chosen Project via the Blackboard ( Email submission will not be accepted and will be awarded ZERO marks) containing the following:
a) ER Diagram.
b) All schemas before normalization.
c) All schemas after normalization.
d) All SQL statements of:
· Creating tables.
· Inserting data in tables.
e) All requested queries/results.
· Screenshots from MySQL (or any other software you use) of all the tables after population and query results .
· You are advised to make your work clear and well presented; marks may be reduced for poor presentation. This includes filling in your information on the cover page.
· You MUST show all your work, and text must not be converted into an image unless specified otherwise by the question.
· Late submission will result in ZERO marks being awarded.
· The work should be your own. Copying from students or other resources will result in ZERO marks.
Project I
Database System for a car rental company
Consider the company requirements as follows:
A car rental company needs a comprehensive database system to streamline its operations. The system should enable customers to rent cars from multiple locations (Riyadh, Jeddah, Makkah, Dammam, Al-Khobar, Qasim, Tabuk, AL-Baha, Al-Jawf, Ha’il, Aseer, Jazan, Najran). Customers will be required to register by providing their full name, email, phone number, and date of birth. The company owns a fleet of cars, which contains important details such as the manufacturer, model, manufacturing year, license plate, and daily rental rate. Every rental transaction will involve the customer, the rented car, and the rental period (start and end dates). As the company operates in multiple cities and states, multiple rental locations are available, each with its name, street address, city, state, and postal code.
Customers can rent multiple cars, and each car can be rented by multiple customers. A specific rental location will be associated with each car. Moreover, each rental transaction will be linked to a specific rental location. To maintain data integrity, constraints such as unique customer and car IDs will be enforced. Rental transactions must be associated with both a customer and a car.
On the other hand, each car should be linked to a rental location. Reports on rental transactions will be generated, including customer information, location, and period. User roles will be implemented for customers and system administrators. Customers will be able to view available cars, rent cars, and access their rental history. Meanwhile, administrators will be able to manage car inventory, rental locations, and customer accounts.
The system will ensure that cars are available for rent at specific locations and track car availability to prevent overbooking. Rental costs will be calculated based on the rental rate per day. User authentication and authorization will be implemented to protect customer data and system operations.
a) ER Diagram
b) Tables before the normalization
c) Tables after the normalization
d) Create the normalized tables and populate them with at least 10 rows
e) Write the sample requested Quesries & Execute them
1. List the first and last names of customers who have rented a car more than two times.
2. List all cars in Jazan whose manufacturing year is greater than 2007.
3. List all cars that have been rented from Jeddah city along with customer information (First and last name, email address, and phone number)
4. List all cars rented more than three times in all cities.
5. List all cars with a rental period of more than five days, along with the customer information (First and last name, email address, and phone number).

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