5. Cars must be ordered from a supplier when the stock for that particular car drops below 8. Find the names of the manufacturers of all such cars using relational algebra.

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Vehicle Dealership Database:
Consider Reggie's dealership, a multi-brand vehicle dealership whose database consists of four relations as described
below.
Vehicle(make, model, manlkear, color, vinNum, type, purshassld)
Stock(stockNum, uniterice deliverxlate. vehicleskemainina)
Manufacturer(name, manilede elantlocation)
Purchase(purchaseld. mGede. numKehicles, erderDate. delixerxStatus)
A vehicle can be one of the following types: Car, Truck, SUV
vinNum - Vehicle Identification Number is made up of 17 characters (alphanumeric)
mantXear → year of vehicle manufacture
mantCede/ mCede- a 4.character alphanumeric code for the manufacturer
• RUurshaseld, and steckNum refer to the same item
• Each individual order consists of the same type of vehicle. For example,
• Order#1 - 35 cars
Order#2 - 50 SUV's
Order#3 - 20 trucks
The delivery status is true if the order has been delivered to the dealership and false otherwise.
Transcribed Image Text:Vehicle Dealership Database: Consider Reggie's dealership, a multi-brand vehicle dealership whose database consists of four relations as described below. Vehicle(make, model, manlkear, color, vinNum, type, purshassld) Stock(stockNum, uniterice deliverxlate. vehicleskemainina) Manufacturer(name, manilede elantlocation) Purchase(purchaseld. mGede. numKehicles, erderDate. delixerxStatus) A vehicle can be one of the following types: Car, Truck, SUV vinNum - Vehicle Identification Number is made up of 17 characters (alphanumeric) mantXear → year of vehicle manufacture mantCede/ mCede- a 4.character alphanumeric code for the manufacturer • RUurshaseld, and steckNum refer to the same item • Each individual order consists of the same type of vehicle. For example, • Order#1 - 35 cars Order#2 - 50 SUV's Order#3 - 20 trucks The delivery status is true if the order has been delivered to the dealership and false otherwise.
5. Cars must be ordered from a supplier when the stock for that particular car drops below 8. Find the names
of the manufacturers of all such cars using relational algebra.
Transcribed Image Text:5. Cars must be ordered from a supplier when the stock for that particular car drops below 8. Find the names of the manufacturers of all such cars using relational algebra.
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