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Oduvanchick [21]
4 years ago
14

What refrigerant has been approved for new household refrigerators and freezers

Computers and Technology
1 answer:
Alexxx [7]4 years ago
8 0
Bsbsnsnsnsn jajwjemoeododhdhdw whajsjshtzzvsssnxbba. 3
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Consider the following relation: CAR_SALE (Car#, Date_sold, Salesman#, Commision%, Discount_amt Assume that a car may be sold by
Nady [450]

Answer:

See explaination

Explanation:

The given relation is:

CAR_SALE(Car#, Date_sold, Salesperson#, Commission%, Discount_amt)

Primary key: {Car#,Salesperson#}

We will first check whether the relation is in 1NF.

A relation is said to be in the 1st Normal form(1NF) if all the columns in the relation have atomic values. In this case, the relation is in 1NF.

A relation is said to be in the second normal form(2NF) if it satisfies the condition that all non keys are completely dependent on the primary key and just a part of the primary key.

In the case of the CAR_SALE relation, the Commission% depends only on the Salesperson# and not on the combination of Car# and Salesperson#. This means that the given relation is not in 2NF. To satisfy 2NF, we make two relationships as given below:

SALE_DETAIL(Salesperson#, Commission%)

and CAR_SALE(Car#, Date_sold, Salesperson#, Discount_amt)

Now both the relations are in 2NF.

For a relation to be in 3NF, no non-key should be functionally dependent on another non key.

In the case of the CAR_SALE relation, it is specified that the Date_sold field determines the Discount_amt. Therefore the modified CAR_SALE is not in 3NF.

To satisfy 3NF, we seperate the non key and the dependent non key and create a different table.

Final Relations:

SALE_DETAIL(Salesperson#, Commission%)

Discount_Detail(Date_Sold, Discount_Amt)

CAR_SALE(Car#, Date_sold, Salesperson#)

7 0
3 years ago
Networking is the most effective search method for finding job leads.<br> a. True<br> b. False
natima [27]
True.
This is due to most companies having online websites in our era
3 0
3 years ago
Read 2 more answers
Which of the following is the definition of red team?
marysya [2.9K]

Answer:

a. An open source port scanning and host detection utility. In a penetration test, this consists of penetration testers who have been given some background knowledge of the infrastructure.

Explanation:

b. Red team is special for checking to penetration test and there is no defend

c. They are not aware that penetration test is happening

d. The process is to check system security infrastructure by trying different types of penetration in unexpected ways.

a. <em>There is a special team created as called Red Team that they try to penetrate to the system with different methods. This test is longer and different then normal tests to detect is a system giving an alert for any action damaging to the system.</em>

3 0
3 years ago
Random Star
Tatiana [17]

Answer:

Explanation:

The following code is written in Java. The function takes in the random object and creates a random number where it generates a random number and prints out the * characters, if the random number and the input num are the same it prints out both values and ends the function.

import java.util.Random;

class Brainly {

   public static void main(String[] args) {

       Random r = new Random();

       randomStar(r, 12);

       System.out.println();

       randomStar(r, 19);

   }

   public static void randomStar(Random r, int num) {

       while (true) {

           int randomNum = r.nextInt(19) + 5;

           if (randomNum != num) {

               for (int x = 0; x < randomNum; x++) {

                   System.out.print("*");

               }

               System.out.print("\n");

           } else {

               for (int x = 0; x < randomNum; x++) {

                   System.out.print("*");

               }

               System.out.print("\n");

               System.out.println("Random Number: " + randomNum);

               System.out.println("Input Number: " + num);

               break;

           }

       }

   }

}

3 0
3 years ago
A top level class without any modifier is accessible to
LenKa [72]

Answer: A top level class without any modifier is accessible to any class within the same package.

Explanation: A top level class is class whose declaration occur in the body of their own class therefore it is not a nested class.It cannot be declared in any other class.Private modifier is not allowed in the top level class because there would be no access in the class. Therefore top level class which does not have any modifier can be accessed by any class within the same package .

4 0
4 years ago
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