C. Integrate is the answer PLZ MARK AS BRAINLIEST
Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
Answer: Distributing malicious flash drives in a parking lot or other high-traffic area, often with a label that will tempt the person who finds it into plugging it in, is a technique used by penetration testers.
Explanation:
It does look like a model
Hope it helps I mean just my opinion.
Typically, "Del" stands for "delete."
Most times, this key will do different things depending on the type of keyboard/computer you have. For example, on macs, the "delete" key is also the backspace key, so it will delete the last character you typed. However, on most pcs, the "delete" key will delete characters you typed that are in front of your cursor.