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Pavlova-9 [17]
3 years ago
14

(True/False). In an "ID" column with the data type INTEGER PRIMARY KEY, each value entered for the ID must be unique.

Computers and Technology
1 answer:
musickatia [10]3 years ago
5 0

Answer:

The answer is "True".

Explanation:

  • The key to a relational database that is unique for each data record is a primary key, also called a primary keyword.
  • This unique identifier, including a driver's license name, telephone number, or vehicle identification number. This is an identifier (VIN).
  • There must always be the only primary key in such a relational database.
  • This is a specific relational database field (or column combination) that identifies each table entry in a unique way.
  • It utilized it to swiftly analyze the data within the table as a unique identifier.
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Write a (java) program with a class called Sum1, using a while loop to add 10 numbers entered from the key-board.
Ainat [17]

This is a java program with a class called Sum1.

Explanation:

While loop is used to add 10 number.

import java.util.Scanner;

public class Sum 1

{

   public static void main(String args[])

   {

       int number, count, sum = 0;

       Scanner s = new Scanner(System.in);

       System.out.print("Enter the number:");

       number = s.nextInt();

       while(number > 0)

       {

           count = number % 10;

           sum = sum + n;

           number = number / 10;

       }

       System.out.println("Sum of Digits:"+sum);

   }

}

5 0
3 years ago
Which type of information should never be given out on social media?
zhenek [66]

Answer:

Sites like Face.book are full of valuable data for people who use social engineering to steal your identity on social media. You should therefore avoid sharing information that's used to verify your identity,

Explanation:

7 0
3 years ago
Read 2 more answers
A device that allows multiple computers to communicate with each other is
Lapatulllka [165]

Answer:

A device that allows multiple computers to communicate with each other is

Network Hub.

Hope this helps!

:)

4 0
3 years ago
You are an administrator for a large corporation and you are responsible for deploying computers often and quickly. Which server
sashaice [31]

Answer:

The deployment method to use is called Zero touch deployment

Explanation:

Zero-touch deployment or installation is considered as a high volume installation procedure for large and medium organizations. Many computers are configured remotely through the help of the command line. With this process computers are deployed often and quickly because the installations are automated.

The benefits of zero-touch deployment include the following:

  1. Easy distribution of computer resources. Resources are scarce in business, hence, there is a great need to be able to recycle business resources as often and quickly as possible.
  2. Reduces operational costs. Businesses are focused on reducing the operational cost to the barest minimum because deployment can be easily managed by internal staff, deploying zero-touch deployment will greatly reduce operational cost.
5 0
3 years ago
A junior network administrator tells you that he can ping a DNS server successfully using its IP address, but he has not tested
Darya [45]

Answer:

nslookup is the correct answer to the following question.

Explanation:

The following answer is correct because It is the tool or the utility of the command line by which an administrator to query a DNS(Domain Name System) for finding the domain name or the Internet Protocol address or many other records.

<u>Steps to use nslookup:</u>

  • Firstly, you have to press the window key + R to open run.
  • Then, you have to type cmd in it and press enter.
  • Then, cmd will appear after that, you have to type the command 'nslookup' and then press enter.
  • Then, it shows the default server name and ip address after that, you have to type an ip address of DNS server.
  • Then, you have to type 'set' then type q=M X and then press enter
  • Then, you have to type the name of your domain then, press enter key.

7 0
3 years ago
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