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7nadin3 [17]
3 years ago
7

When creating a database, in which step do you add foreign keys to tables?

Computers and Technology
1 answer:
lana66690 [7]3 years ago
8 0
Https://docs.microsoft.com/en-us/sql/relational-databases/tables/create-foreign-key-relationships 
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The answer is A. Windows 1.O
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How would you "break" a firewall in a laptop computer if you were no longer a administrator? (Cyber Security Related, Computers
4vir4ik [10]
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6 0
3 years ago
For this exercise, we are going to take a look at an alternate Calculator class, but this one is broken. There are several scope
vekshin1

Answer:

public class Calculator {

   private int total;

   private int value;

   

   public Calculator(int startingValue){

       // no need to create a new total variable here, we need to set to the our instance total variable

       total = startingValue;

       value = 0;

   }

   public int add(int value){

       //same here, no need to create a new total variable. We need to add the value to the instance total variable

       total = total + value;

       return total;

   }

   /**

   * Adds the instance variable value to the total

   */

   public int add(){

       // no need to create a new total variable. We need to add the value to the instance total variable

       total += value;

       return total;

   }

   public int multiple(int value){

       // no need to create a new total variable. We need to multiply the instance total variable by value.

       total *= value;

       return total;

   }

   //We need to specify which value refers to which variable. Otherwise, there will be confusion. Since you declare the parameter as value, you need to put this keyword before the instance variable so that it will be distinguishable by the compiler.

   public void setValue(int value){

       this.value = value;

   }

   public int getValue(){

       return value;

   }

}

Explanation:

I fixed the errors. You may see them as comments in the code

7 0
3 years ago
Programming Exercise 11 in Chapter 8 explains how to add large integers using arrays. However, in that exercise, the program cou
Marat540 [252]

Answer:

Explanation:

The following is written in Java. It creates a class called largeIntegers that creates objects of the built-in BigInteger class to handle operations on very large numbers. The class contains the add, subtract, multiply, compare, toString methods as well as the getter and setter method for the BigInteger. A test class has been provided and the output can be seen in the attached picture below where two numbers are created and added together. Due to technical difficulties, I have added the code as a txt file below.

5 0
3 years ago
True or false? because you have made it a practice to never access the
Flauer [41]

Answer: False

Explanation: Even if the internet service is not connected with the operating system while accessing the database, it is still on risk and can be vulnerable to get attacked. Devices of the system like USB drive can happen to have the malware which creates the risk towards database.

The computer system can get invoked with the virus or other attack while the user connects the internet afterwards when he/she is not accessing the database, these malware get stored in system once they get invoked and corrupt the system and its database even when the internet connection is not present .Thus, the statement given is false.

6 0
3 years ago
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