The Logical Data Model of the VEHICLE Subject Area includes the following entities:

• Entity: VEHICLE
• Entity: VEHICLE_MODEL
• Entity: VEHICLE_CATEGORY
• Entity: MAKE
• Entity: FUEL_TYPE
• Entity: TRANSMISSION_TYPE

This entity records information about all the Vehicles for which was created at least one Order at the Car Service Shop.

Attributes
ID	PRIMARY KEY
Vehicle_Model_ID	Lookup for the Vehicle Model assigned to Vehicle. NOT NULL
Owner_ID	Lookup for the Customer who is the Owner of the Vehicle. NOT NULL
Contact_Person_ID	Lookup for the Customer who is the Contact Person for the Vehicle. The Vehicle Owner and the Vehicle Contact Person can be the same Customer. NOT NULL
License_Plate	Vehicle License Plate. NOT NULL
VIN	Vehicle Identification Number. NOT NULL UNIQUE. Cannot have two Vehicles with the same Vehicle Identification Number.
Engine_Serial_No	Engine Serial Number. NOT NULL UNIQUE. Cannot have two Vehicles with the same Engine Serial Number.
Manufactured_Year	The Year when Vehicle was manufactured.
Manufactured_Month	The Month when Vehicle was manufactured.
Registration_Doc	Registration Document that certifies the Vehicle Owner
Last_Odometer_Value	Vehicle's odometer last read value. Example:'190 000 km'
Last_Odometer_Time	Timestamp when the Vehicle's odometer was read.
Comments	Internal notes used for clarifications on record content.

This entity records the Vehicle Models existent in the market.

Attributes
ID	PRIMARY KEY
Make_ID	Lookup for the Make (Company) who manufactured the Vehicle Model. See Entity: MAKE for more information. NOT NULL
Vehicle_Category_ID	Lookup for the Vehicle Category. See Entity: VEHICLE_CATEGORY for more information. NOT NULL
Transmission_ID	Lookup for the Vehicle Transmission type: 'Manual', 'Automatic', etc. See Entity: TRANSMISSION_TYPE for more information. NOT NULL
Fuel_Type_ID	Lookup for the Vehicle Fuel Type: 'Electric', 'Petrol', 'Diesel' etc. See Entity: FUEL_TYPE for more information. NOT NULL
Code	Vehicle Model Code. UNIQUE
Name	Vehicle Model Name. NOT NULL UNIQUE
Description	Vehicle Model description.
Model_Year	Year when the Vehicle Model was released.
Comments	Internal notes used for clarifications on record content.

Vehicle category list. Example: 'Hatchback', 'SUV', 'Commercial Vehicle' etc.

Attributes
ID	PRIMARY KEY
Name	Vehicle Category name. NOT NULL UNIQUE
Description	Vehicle Category description

Vehicle Make list. Example: 'Mercedes', 'BMW', 'Ford', 'Volkswagen' etc.

Attributes
ID	PRIMARY KEY
Name	Make name NOT NULL UNIQUE
Description	Make description

Vehicle fuel type list. Example: 'Electric', 'Petrol', 'Diesel' etc.

Attributes
ID	PRIMARY KEY
Name	Fuel Type name NOT NULL UNIQUE
Description	Fuel Type description

Vehicle Transmission Type list. Example: 'Manual', 'Automatic' etc.

Attributes
ID	PRIMARY KEY
Name	Transmission Type name NOT NULL UNIQUE
Description	Transmission Type description