Answer:
The SQL PRIMARY KEY is a column in a table that must contain a unique value that can be used to identify each and every row of a table uniquely. Functionally, it is the same as the UNIQUE constraint, except that only one PRIMARY KEY can be defined for a given table.
<span>Which is not a component of a database that describes how data is stored?</span>
Answer:
namespace FavoriteNumber
{
class Program
{
static void Main(string[] args)
{
Console.Write("Enter your favorite number!: ");
string faveNumber = Console.ReadLine();
int number = Convert.ToInt32(faveNumber);
Console.Write($"Your favorite number seems to be {number}");
}
}
}
Explanation:
You were close. Spot the differences. A statement should end with a semicolon. Console.ReadLine() returns a string. That string is the input of what you want to convert to an int.
And of course you need to match each opening brace { with a closing brace }.
Answer:
"Denial of service" is the correct answer to the following statement.
Explanation:
DoS attack is that type of cyberattack in which an individual system or an internet connection to the different fakes services which target the resources of the system and it is an illegal act according to 'Computer Misuse Act' which comes in 1990's.
It is an attack which is done by the computer terrorists, they can mostly flood the severals of the fake services in the intention of theft privacy and resources from the system.