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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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Write a Java program that prompts the user to enter integer values for the sides of a triangle and then displays the values and
satela [25.4K]

Answer:

import java.util.Scanner;

public class triangle {

       public static void main (String [] args) {

           int sideOne, sideTwo, sideThree;

           Scanner in = new Scanner (System.in);

           System.out.println("Enter the first side of the triangle");

           sideOne = in.nextInt();

           System.out.println("Enter the secon side of the triangle");

           sideTwo = in.nextInt();

           System.out.println("Enter the third side of the triangle");

           sideThree = in.nextInt();

           if ( sideOne<=0||sideTwo<=0|| sideThree<=0){

               System.out.println(" The Values enter are "+sideOne+ "," +sideThree+ ","+sideThree+ " These values don't make a valid triangle");

           }

           else if ((sideOne + sideTwo> sideThree) || (sideOne+sideThree > sideTwo) || (sideThree+sideTwo > sideOne))

           {

               System.out.println ("The triangle is Valid");

           }

           else {

               System.out.println(" The Values enter are "+sideOne+ "," +sideTwo+ ","+sideThree+ " These values don't make a valid triangle");

           }

       }

Explanation:

for a Triangle to be Valid one of the three sides of the triangle must greater than the other two sides.  The code above enforces this condition using an if statement in combination with the Or Operator

The following conditions where enforced

side one, side two and side three != 0

Side One + Side Three > Side Two

Side Three + Side Two> Side One

Side Two + Side One > Side Three

7 0
3 years ago
A _____ is a network that uses multiple access points to link a series of devices that speak to each other to form a network con
morpeh [17]
I think the answer is WAN (wide area network)
6 0
3 years ago
Discuss the differences between a quantitative and qualitative risk analysis. Please write two paragraphs.
Burka [1]

Answer:We start each project to get some business benefits. We design it to achieve users and other stakeholder’s satisfaction. And we build it to improve organization KPIs. But, we live in a world where the project faces many uncertainties. These uncertainties or risks can prevent from achieving our project goals or objectives. So, it is critical that we identify them in time to take care of their effective responses.

The more we know our risks, the more we can evaluate and prioritize them timely for:

Reducing their probable negative impacts, or

Increase their likely positive impacts

We can use Qualitative Risk Analysis and Quantitative Risk Analysis techniques to evaluate and prioritize risks. I see there are a lot of confusions around how these two techniques are different from each other.  In this blog, I will address these confusions and differences between these two techniques.

Before we get into the difference between qualitative and quantitative risk analysis/assessment, it is mandatory to understand how we perform risk analysis in projects.  Below is the summarized demonstration of the risk analysis:

Explanation:

8 0
3 years ago
Write a program that prompts the user to enter the center and a point on the circle. The program should then output the circle’s
sergij07 [2.7K]

Here is the code in C++.

#include <bits/stdc++.h>

using namespace std;

// function to calculate distance between two points

double distance(int a,int b,int c,int d )

{

 // return the distance between center and point

  return sqrt(pow(c - a, 2) +

               pow(d - b, 2) * 1.0);

}

// driver function

int main()

{

// variables to store coordinates

int x1,y1,x2,y2;

cout<<"Please Enter the center(x y) of the circle: ";

//reading center

cin>>x1>>y1;

cout<<"\nPlease Enter a point(x1 y1) on the circle:";

//reading point

cin>>x2>>y2;

// calling distance() function with 4 parameters

double rad=distance(x1,y1,x2,y2);

// calculating Radius and print

cout<<"Radius of circle is: "<<rad<<endl;

// calculating Diameter and print

cout<<"Diameter of circle is: "<<2*rad<<endl;

// calculating Circumference and print

cout<<"Circumference of circle is: "<<2*3.14*rad<<endl;

// calculating Area and print

cout<<"Area of circle is: "<<3.14*rad*rad<<endl;

return 0;

}

Explanation:

First it will read coordinates of center and point on the circle.The distancebetween center and point on circle is Radius. Call distance() function withfour parameters which are coordinates of center and point. This will return the value of Radius. Diameter is 2 times of Radius.Diameter of a circle is 2*3.14*Radius. and Area of the circle is calculate as 3.14*Radius*Radius. After finding these value print them.

Output:

Please Enter the center(x y) of the circle: 0 0

Please Enter a point(x1 y1) on the circle: 3 4

Radius of circle is: 5

Diameter of circle is: 10

Circumference of circle is: 31.4

Area of circle is: 78.5

4 0
3 years ago
Why is the lack of a sense of humor a serious limitation for AI?
sergejj [24]

Answer:

they arent made to Express emotion? can you be a little more specific with the question?

3 0
3 years ago
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