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neonofarm [45]
3 years ago
11

Which type of partitioning is performed onRelation-X?

Computers and Technology
1 answer:
goldenfox [79]3 years ago
7 0

Answer: B) Vertical Partitioning

Explanation:

As, vertical partitioning is performed on Relation X, it is used for dividing the relation X vertically in columns and it involves creation of tables and columns. They also use some additional tables to store left out columns. We cannot partition the column without perform any modification of value of the column. It only relies on keeping the particular attributes of relation X.

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PLEASE HELP QUICK WILL GIVE BRAINLY
kipiarov [429]

Answer: Where the guide lines?

Explanation: I’ll help but where the guidelines?

7 0
3 years ago
Complete the following method named replaceEvens that receives the parameter numbers which is an array of integers. The method m
Taya2010 [7]

Answer:

Following are the method definition to this question:

public class Neg //defining class Neg

{  

public static void replaceEvens(int[] numbers) //defining a method replaceEvens that accepts array

{

int i; //defining integer variable

for(i = 0 ; i < numbers.length; i++) //defining foop to counts number

{

if(numbers[i]%2 == 0) //defining condition to check number is even  

{

numbers[i] = numbers[i] * -1; //multiply the number by -1

}

}

for(i = 0 ; i < numbers.length; i++) // defining loop print array

{

System.out.print(numbers[i] + " "); //print array

}

}    

public static void main(String[] as)//defining main method  

{

   int[] numbers = {12, 10, 18, 5, 2,22}; //defining array numbers and assign value

   System.out.println("Elements of array: "); //print message

   for(int i = 0 ; i < numbers.length ; i++)  //defining loop to print message

   {

   System.out.print(numbers[i] + " "); //print array

   }

  System.out.println("\n After replaceEvens"); //print message

   replaceEvens(numbers); //calling method replaceEvens

  }

}

Output:

please find the attachment.

Explanation:

  • In the given program a static method replaceEvens is declared, in which array numbers pass as the parameter, inside the for method loop is declared, which counts array number in this loop if block is defined, that check-in array there is an even number.
  • In the condition is true it will multiply the number by -1, and output side the loop it will define another loop to print its value.
  • Inside the main method, a number array is declared, that first prints its value then call the method to print its change value.    

3 0
3 years ago
Write a program to find all integer solutions to the equation 4x + 3y -9z = 5 for values of x, y, and z between 0 to 100.
rjkz [21]

Answer:

Following are the code to the given question:

#include <iostream>//header file

using namespace std;

int main()//main method

{

  int c= 0;//defining integer variable to count number of solutions

  int x,y,z;//defining integer variable which is used in the loop

  for (x = 0; x <= 100; x++)//defining for loop to x value

     for (y = 0; y <= 100; y++)//defining for loop to y value

        for (z = 0; z <= 100; z++)//defining for loop to z value

           if (4 * x + 3 * y - 9 * z == 5)//use if to check given condition

           {

              c++;//increment count value

              cout << "(" << x << "," << y << "," << z << ")";//print solutions  

              cout << (c % 11? " " : "\n");//use for add file solution in a row

           }

  cout << "\n\nThere are " << c << " solution(s)\n";//print solution couts

  return 0;

}

Output:

Please find the attached file.

Explanation:

In the above-given code four integer variable "x,y,z, and c" is declared, in which "x,y, and z" is used in the for loop with the if conditional statement that checks the given condition and prints the solution and the "c" variable is used to counts the number of solution, and at the last, it uses the print method to print its values.  

8 0
3 years ago
Write the method makeNames that creates and returns a String array of new names based on the method’s two parameter arrays, arra
Gwar [14]

Answer:

  1. import java.util.Arrays;
  2. public class Main {
  3.    public static void main(String[] args) {
  4.        String [] first = {"David", "Mike", "Katie", "Lucy"};
  5.        String [] middle = {"A", "B", "C", "D"};
  6.        String [] names = makeNames(first, middle);
  7.        System.out.println(Arrays.toString(names));
  8.    }
  9.    public static String [] makeNames(String [] array1, String [] array2){
  10.           if(array1.length == 0){
  11.               return array1;
  12.           }
  13.           if(array2.length == 0){
  14.               return array2;
  15.           }
  16.           String [] newNames = new String[array1.length];
  17.           for(int i=0; i < array1.length; i++){
  18.               newNames[i] = array1[i] + " " + array2[i];
  19.           }
  20.           return newNames;
  21.    }
  22. }

Explanation:

The solution code is written in Java.

Firstly, create the makeNames method by following the method signature as required by the question (Line 12). Check if any one the input string array is with size 0, return the another string array (Line 14 - 20). Else, create a string array, newNames (Line 22). Use a for loop to repeatedly concatenate the string from array1 with a single space " " and followed with the string from array2 and set it as item of the newNames array (Line 24-26). Lastly, return the newNames array (Line 28).

In the main program create two string array, first and middle, and pass the two arrays to the makeNames methods as arguments (Line 5-6). The returned array is assigned to names array (Line 7). Display the names array to terminal (Line 9) and we shall get the sample output: [David A, Mike B, Katie C, Lucy D]

5 0
3 years ago
Match the crew members with the equipment or tasks they handle.
vovikov84 [41]

Answer:

Boom operator- Microphone

Director of photography- video camera

Art Director- lighting

Gaffer- set building

8 0
3 years ago
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