The database requirement that foreign keys must be null or have a value corresponding to the value of a primary key in another table is formally called the
. Question 20.
In a relational database, requiring that every record in a table have a unique identifier is called the
. Question 21.
Which of the following is an opportunity that could contribute to employee fraud?
. Question 22.
Which of the following is the greatest risk to information systems and causes the greatest dollar losses?
. Question 23.
One fraudulent scheme covers up a theft by creating cash through the transfer of money between banks. This is known as
. Question 24. Most frauds are detected by. Question 25. The most efficient way to conceal asset misappropriation is to. Question 26.