The answer to this question is firewall
D. A window the rest are incorrect
<span>An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a</span>
Answer:
I guessed D, taking it right now, sorry if it's wrong
Explanation:
Answer:
The answer is 15
Explanation:
A integer is a whole number, the only wholenumber present is 15
Hope this helps :)