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Car Dealer Database Term Project Group and Entity Relationship Diagram
- 1. Database Systems TERM PROJECT
- 2. Group Members 1. Mohammad Rahmat 2. Furkan Zumrut 3. Emin Avukat 4. Metin Tekin 5. Muhammet Samil Altin
- 3. Project Details Car dealer company database: Require information about car stock Require information about details Require information about visual looks
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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
- 11. 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
- 12. 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)
- 13. 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
- 14. 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
- 15. 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
- 16. 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
- 17. 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
- 18. 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
- 19. 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
- 20. 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
- 21. 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
- 22. 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
- 23. Constraints
- 24. 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
- 25. 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
- 26. 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.
- 27. Relationships autofuel Entity: @One-to-Many Auto(autofuelid): one fuel many cars autogear Entity: @One-to-Many Auto(autogearlid): one gear many cars
- 28. Relationships autorim Entity: @One-to-Many Auto(autorimid): one rim many cars autotire Entity: @One-to-Many Auto(autotireid): one tire many cars
- 29. 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
- 30. Concept Of Database Database Entity Relationships
- 31. E-R Diagram
- 32. 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
- 33. 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