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soldier1979 [14.2K]
3 years ago
7

interpret the following SQL create table persons (person I'd int, last name varchar (255) first name varchar (255) address varch

ar (255) city varchar (255)​
Computers and Technology
1 answer:
zhuklara [117]3 years ago
3 0

Answer:

Kindly check explanation

Explanation:

The SQL statement above could be interpreted as follows :

create table command is used to create a table named 'persons' with five columns which are labeled :

person I'd : whose data type is an integer

last name column with a variable character data type with maximum length of 255

first name column with a variable character data type with maximum length of 255

address column with a variable character data type with maximum length of 255

city column with a variable character data type with maximum length of 255

The VARCHAR data type is ideal since we expect the column values to be of variable length.

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Write a method called consecutive that accepts three integers as parameters and returns true if they are three consecutive numbe
Andre45 [30]

Answer:

#include <iostream>

using namespace std;

void swap(int *a,int *b)

{

   int temp;

   temp=*a;

   *a=*b;

   *b=temp;

}

bool consecutive(int k1,int k2,int k3)

{

   int arr[]={k1,k2,k3};  //storing these variables into an array

   int i,j;

   for(i=0;i<3;i++)

   {

       for(j=i;j<3;j++)

       {

           if(arr[i]>arr[j])

           {

               swap(arr[i],arr[j]);  //swapping to sort these numbers

           }

       }

   }

   if((arr[1]==arr[0]+1)&&(arr[2]==arr[0]+2))  //checks if consecutive

       return true;

   else

       return false;

}

int main()

{

   int result=consecutive(6,4,5);   //storing in a result variable

   if(result==0)

       cout<<"false";

   else

       cout<<"true";

   return 0;

}

OUTPUT :

true

Explanation:

In the above code, it stores three elements into an array and then sorts the array in which it calls a method swap() which is also defined and interchanges values of 2 variables. Then after sorting these numbers in ascending order , it checks if numbers are consecutive or not, if it is true, it returns true otherwise it return false.

7 0
3 years ago
Please someone participate in my typing race ...
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Answer:

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8 0
3 years ago
Host A sends two UDP segments to Server S, one to port 1234 and the other to port 2345. Host B sends one UDP segment to Server S
SOVA2 [1]

Answer:

A

Explanation:

8 0
3 years ago
Write a program that checks whether a positive number given by an input from the user is greater than 5 and less than 20 with ja
Alona [7]

Answer:

Program written in Java is as follows

See comments for explanations

import java.util.Scanner;

public class CheckRange {

public static void main (String [] args)

{

// This line allows the program accept user input

Scanner input = new Scanner(System.in);

//This line declares variable for user input

int num;

//This line prompts user for input

System.out.print("Number: ");

//This line gets user input

num = input.nextInt();

/* The following if statement checks if the user input is greater than 5 and less than 20 */

if (num > 5 && num <= 20)

{

/* This line is executed if the above condition is true */

System.out.print(num+" is greater than 5 and less than 20");

}

else

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/*If the condition is not true, this line is executed*/

System.out.print(num+" is not within specified range");

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// The if condition ends here

}

}

5 0
4 years ago
Which of the following events happened first?
horrorfan [7]

Answer:

D. ARPANET was developed

Explanation:

ARPANET is an acronym for Advanced Research Projects Agency Network and it was established in 1969 by the Advanced Research Projects Agency (ARPA) of the United States Department of Defense.

ARPANET was the first wide area packet switching network for transmitting electronic data and communications between computers on a single network with a distribution functionality. The TCP/IP protocol was first implemented on the Advanced Research Projects Agency Network (ARPANET), as well as some other standard protocols such as the NCP and the 1822 protocol.

The development of ARPANET happened first in the evolution of the internet.

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6 0
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