A primary key is a value in a table that is the foreign key of another table

If msg is a string that contains the value "Hello", then after the JavaScript statement msg += "World" is processed, the string msg will contain only the value "World"

Indicate whether the statement is true or false

What is the output produced by the following code fragment?

int i = 3; cout << "The value of i is " << sqrt(pow(i,4.0)) << endl;