Let's say for example you have a toddler, or a pet. Let's say a cat. If the ctrl+alt+delete wasn't there. It would go straight to entering the password. Now let's say your child or pet likes to press the keys for a while. If they manage to press enter and enter the incorrect password. Eventually it will lock up your computer.
Depending on your computer, but going to control panel on a Windows computer can change the brightness, and backgrounds.
Hello <span>Abigailguzman6347</span><span>
</span>Answer: If you use a surrogate key, you must ensure that the candidate key of the entity in question performs properly through the use of "unique index" and "not null" constraints.
Hope This Helps!
-Chris
