Author Question: A primary key is an attribute that uniquely identifies each row in a relation. Indicate whether ... (Read 94 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?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

For a complete list of videos, visit our video library