Database SystemsTERM PROJECT

Group Members

1. Mohammad Rahmat

2. Furkan Zumrut

3. Emin Avukat

4. Metin Tekin

5. Muhammet Samil Altin

Project Details

Car dealer company database:

Require information about car stock

Require information about details

Require information about visual looks

Data Required

Name

name as TEXT data given to each car for ease of data view and to avoid

confusion

Model

model of car as DATE data, given in terms of Gregorian calendar

Condition

condition as TEXT data, showing if car is new or used

0-100 KM Fuel Expense

fuel expense per 100 KM recorded as a DOUBLE data

Data Required

Color

color of the car in the form of TEXT data

Horsepower

the amount of horsepower produced by the engine of the car stored as INTEGER data

Mileage

the distance travelled by car if it is used, zero in case its new – stored as INTEGER value

Price

price of car given in USD ($) stored as DOUBLE data

Data Required

Registered Date

the date that the car was entered to database as DATE value

Type

the type of car stored as TEXT data

Category

the manufacturer name of the car as TEXT data

Sub-Category

the model line of the car as TEXT data

Data Required

Gear

the gear type of the car – automatic or manual – stored as TEXT data

Interior

the interior design of car – either default or custom – stored as TEXT data

Rim

the rims the car has also stored as a TEXT data

Tire

the tire the car currently has, recorded as a TEXT data

Data Required

Photograph

an image of the car stored by URL to hosting site, stored as TEXT data

User

credentials of store employee to manage stock and sales

Entities – their attributes & restrictions

auto ENTITY:

Attributes:

01. autoid – id of car

Constraint – primary key (auto_pkey)

Constraint – NOT NULL

02. auto100km – fuel usage by car per 100 km

Constraint – NOT NULL

03. autocolor – color of the car

Constraint – NOT NULL

04. autohand – condition of car – first hand or second hand (used or new)

Constraint – NOT NULL

Entities – their attributes & restrictions

05. autohp – horsepower of car

Constraint – NOT NULL

06. autokm – mileage of car

Constraint – NOT NULL

07. automodel – model of car

Constraint – NOT NULL

08. autoname – name for car

Constraint – NOT NULL

09. autoprice – price of car

Constraint – NOT NULL

10. autoregisterdate – date car was added to stock

Constraint – NOT NULL

Entities – their attributes & restrictions

13. autotype – type of car

Constraint – NOT NULL

14. categoryid – manufacturer of car

Constraint – foreign key (fk2dddafaaaeeab)

REFERENCES autocategory (categoryid)

Constraint – NOT NULL

15. autofuelid – fuel type of car

Constraint – foreign key (fk2dddafa270b28a)

REFERENCES autofuel (autofuelid)

Constraint – NOT NULL

Entities – their attributes & restrictions

16. autogearid – gear type of car

Constraint – foreign key (fk2dddafa3428ffc)

REFERENCES autogear (autogearid)

Constraint – NOT NULL

17. autointerriorid – interior design of car

Constraint – foreign key (fk2dddafead5dc64)

REFERENCES autointerrior (autointerriorid)

Constraint – NOT NULL

18. autorimid – rim type of car

Constraint – NOT NULL

Constraint – foreign key (fk2dddafe4d91de4)

REFERENCES autorim (autorimid)

Entities – their attributes & restrictions

19. subcategoryid – sucategory of car, model line of car

Constraint – NOT NULL

Constraint – foreign key (fk2dddaf407318a3)

REFERENCES autosubcategory (subcategoryid)

20. autotireid – tires of the car

Constraint – foreign key (fk2dddafb9b7716e)

REFERENCES autotire (autotireid)

Constraint – NOT NULL

Entities – their attributes & restrictions

autocategory ENTITY:

Attributes:

01. categoryid – id of category

Constraint – primary key (autocategory_pkey)

Constraint – NOT NULL

02. categoryname – name of category

Constraint – NOT NULL

Entities – their attributes & restrictions

autofuel ENTITY:

Attributes:

01. autofuelid – id of fuel

Constraint – primary key (autofuel_pkey)

Constraint – NOT NULL

02. autofuelname – fuel type nam

Constraint – NOT NULL

Entities – their attributes & restrictions

autogear ENTITY:

Attributes:

01. autogearid – id of gear

Constraint – primary key (autogear_pkey)

Constraint – NOT NULL

02. autogearname – gear type name

Constraint – NOT NULL

Entities – their attributes & restrictions

autoimage ENTITY:

Attributes:

01. autoimageid – id of image

Constraint – primary key (autoimage_pkey)

Constraint – NOT NULL

02. autoid – car id from auto table

Constraint – foreign key (fk638f010cacd7b9fe)

REFERENCES auto (autoid)

Constraint – NOT NULL

03. autoimageurl – url of image

Constraint – NOT NULL

Entities – their attributes & restrictions

autointerrior ENTITY:

Attributes:

01. autointerriorid – id of interior design

Constraint – primary key (autointerrior_pkey)

Constraint – NOT NULL

02. autointerriorname – name of car interior design

Constraint – NOT NULL

Entities – their attributes & restrictions

autorim ENTITY:

Attributes:

01. autorimid – id of rim

Constraint – primary key (autorim_pkey)

Constraint – NOT NULL

02. autorimname – name of car rim

Constraint – NOT NULL

Entities – their attributes & restrictions

autosubcategory ENTITY:

Attributes:

01. autosubcategoryid – id of subcategory

Constraint – primary key (autosubcategory_pkey)

Constraint – NOT NULL

02. categoryid – id of category from category table

Constraint – foreign key (fkfd684a2faaaeeab)

REFERENCES autocategory (categoryid)

Constraint – NOT NULL

03. autosubcategoryname – name of subcategory

Constraint – NOT NULL

Entities – their attributes & restrictions

autotire ENTITY:

Attributes:

01. autotireid – id of tire

Constraint – primary key (autotire_pkey)

Constraint – NOT NULL

02. autotirename – name of tire

Constraint – NOT NULL

Entities – their attributes & restrictions

user ENTITY:

Attributes:

01. userid – id of user

Constraint – primary key (user_pkey)

Constraint – NOT NULL

02. mail – email address of user

Constraint – NOT NULL

03. namesurname – name and surname of user

Constraint – NOT NULL

04. password – password for logging in

Constraint – NOT NULL

Constraints

Relationships

auto Entity:

@Many-to-One

AutoCategory(categoryid):

many cars one category

AutoFuel(autofuelid)

many cars one fuel

AutoGear(autogearid)

many cars one gear

AutoGear(autogearid)

many cars one gear

Relationships

AutoRim(autorimid)

many cars one rim

AutoSubCategory(subcategoryid)

many cars one subcategory

AutoTires(autotireid)

many cars one tire

@One-to-Many

AutoImages(autoid)

one car many images

Relationships

autocategory Entity:

@One-to-Many

AutoSubCategory(categoryid):

one category many subcategory

Auto(categoryid)

one category many cars

user Entity:

User has no relationship with other tables.

Relationships

autofuel Entity:

@One-to-Many

Auto(autofuelid):

one fuel many cars

autogear Entity:

@One-to-Many

Auto(autogearlid):

one gear many cars

Relationships

autorim Entity:

@One-to-Many

Auto(autorimid):

one rim many cars

autotire Entity:

@One-to-Many

Auto(autotireid):

one tire many cars

Relationships

autoimage Entity:

@Many-to-One

Auto(autoid):

many images one car

autosubcategory Entity:

@Many-to-One

AutoCategory(categoryid):

many subcategories one category

@One-to-Many

Auto(subcategoryid)

one subcategory many cars

Concept Of Database

Database Entity Relationships

E-R Diagram

Web Service to Provide 24/7 Service

The database includes a webservice defined

@http://54.72.196.42:8080/carsales-1.0/ws

The webservice is built through hibernate

framework and includes all the necessary HQL codes

SQL Codes

All sql codes for INSERT, UPDATE, DELETE, ADD can are at the file given

below:

METHOD'S SQL CODES.docx

All sql codes for creation of TABLES are at the file given below:

TABLE'S SQL CODES.docx