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Naddik [55]
3 years ago
11

Create a simple ERD for a car dealership. Convert the diagram to a PDF file. The dealership sells both new and used cars, and it

operates a service facility. Base your design on the followirg business rules: A salesperson may sell many cars, but each car is sold by only Acustomer may buy many cars, but each car is bought by only A salesperson writes a single invoice for each car he or she sells A customer gets an invoice for each car he or she buys. Acustomer may come in just to have his or her car serviced; that is, a customer need not buy a car to one salesperson one customer. be classified as a customer. When a customer takes one or more cars in for repair or service, one service ticket is written for each . car. The car dealership maintains a service history for each of the cars serviced. The service records are referenced by the car's serial number. Acar brought in for service can be worked on by many mechanics, and each mechanic may work on many cars. Acar that is serviced may or may not need parts

Computers and Technology
1 answer:
salantis [7]3 years ago
7 0

Answer:

Component(CompID, CompName, Description) PK=CompID

Product(ProdID, ProdName, QtyOnHand) PK=ProdID

Supplier(SuppID, SuppName) PK = SuppID

CompSupp(CompID, SuppID) PK = CompID, SuppID

Build(CompID, ProdID, QtyOfComp) PK= CompID, ProdID

Explanation:

details of the answer is attached

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Tamara is writing a program to organize students in a class and needs to use operators to organize student grades, then compare
VMariaS [17]

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3 0
3 years ago
How could TWC continue to leverage mobile apps to further monetize its significant investment in its weather data? What addition
Ann [662]

<u>Explanation</u>:

To effectively Monetise mobile apps the latest trend usually involves focusing on user downloads and active user subscriptions.

Since TWC is a weather data analyst company, providing premium services via it's app not available on TV can increase user signups.

Their app could offer this use cases;

  • A platform were users share live weather data of their location that are factual.
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8 0
3 years ago
Green Fields Landscaping Company sells evergreen trees which are priced by height. Customers have a choice of purchasing a tree
Tomtit [17]

Answer:

Answered below

Explanation:

//Program is written in Python programming //language.

number_of_trees = int(input ("Enter number of trees purchased: "))

height_of_trees = float(input("Enter height of trees: "))

delivery_status = input("Do you want trees delivered? enter yes or no ")

price_of_two_meters = 20

total_price = number_of_trees * price_of_two_meters

//Invoice

print (number_of_trees)

print(height_of_trees)

print (total_price)

print (delivery_status)

8 0
3 years ago
Create an application for a library and name it FineForOverdueBooks. TheMain() method asks the user to input the number of books
andrew11 [14]

Answer:

//The Scanner class is imported which allow the program to receive user input

import java.util.Scanner;

//Class Solution is defined to hold problem solution

public class Solution {

   // The main method which signify the begining of program execution

   public static void main(String args[]) {

       // Scanner object 'scan' is defined to receive input from user keyboard

       Scanner scan = new Scanner(System.in);

       // A prompt is display asking the user to enter number of books

       System.out.println("Please enter number of books: ");

       // the user response is assigned to numberOfBook

       int numberOfBook = scan.nextInt();

       // A prompt is displayed asking the user to enter the number of days over due

       System.out.println("Please enter number of days over due: ");

       // the user response is assigned to numberOfDaysOverDue

       int numberOfDaysOverDue = scan.nextInt();

       //displayFine method is called with numberOfBook and numberOfDaysOverDue as arguments

       displayFine(numberOfBook, numberOfDaysOverDue);

   

   }

   

   //displayFine method is declared having two parameters

   public static void displayFine(int bookNumber, int daysOverDue){

       // fine for first seven days is 10cent which is converted to $0.10

       double firstSevenDay = 0.10;

       // fine for more than seven days is 20cent which is converted to $0.20

       double moreThanSevenDay = 0.20;

       // the fine to be paid is declared

       double fine = 0;

       // fine is calculated in the following block

       if(daysOverDue <= 7){

           //the fine if the over due days is less than or equal 7

           fine = bookNumber * daysOverDue * firstSevenDay;

       } else{

           // the extra days on top of the first seven days is calculated and assigned to extraDays

           int extraDays = daysOverDue - 7;

           //fine for first seven days is calculated

           double fineFirstSevenDays = bookNumber * 7 * firstSevenDay;

           // fine for the extradays is calculated

           double fineMoreThanSevenDays = bookNumber * extraDays * moreThanSevenDay;

           // the total fine is calculated by adding fine for first seven days and the extra days

           fine = fineFirstSevenDays + fineMoreThanSevenDays;

       }

       // The total fine is displayed to the user in a nice format.

       System.out.printf("The fine for " + bookNumber + " book(s) for " + daysOverDue + " day(s) is: $%.02f", fine);

   }

}

Explanation:

The program first import Scanner class to allow the program receive user input. Then the class Solution was defined and the main method was declared. In the main method, user is asked for number of books and days over due which are assigned to numberOfBook and numberOfDaysOverDue. The two variable are passed as arguments to the displayFine method.

Next, the displayFine method was defined and the fine for the first seven days is calculated first if the due days is less than or equal seven. Else, the fine is calculated for the first seven days and then the extra days.

The fine is finally displayed to the user.

4 0
3 years ago
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