Author Question: A primary key is an attribute that uniquely identifies each row in a relation. Indicate whether ... (Read 77 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?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Everyone has one nostril that is larger than the other.

For a complete list of videos, visit our video library