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 .