Author Question: A primary key is an attribute that uniquely identifies each row in a relation. Indicate whether ... (Read 43 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
A primary key is an attribute that uniquely identifies each row in a relation.
 
  Indicate whether the statement is true or false

Question 2

A ________ is a random string of 40 to 4,000 bits (ones and zeros) used to encrypt messages.
 
  A) key
  B) cipher
  C) plaintext
  D) code


spencer.martell

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

TRUE

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

For a complete list of videos, visit our video library