This topic contains a solution. Click here to go to the answer

Author Question: Identify the five properties of a relation. What will be an ideal ... (Read 43 times)

erika

  • Hero Member
  • *****
  • Posts: 522
Identify the five properties of a relation.
 
  What will be an ideal response?

Question 2

Which of the following statements is true about the cloud?
 
  A) Cloud vendors dynamically allocate physical servers as customer needs vary.
  B) The amount of resources that is leased out to organizations is decided by their lease contracts.
  C) Organizations that use cloud services share hardware through virtualization.
  D) Every organization that uses cloud services is allotted only one virtual machine.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

braelync

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

The five properties that distinguish a relation from a nonrelational table are: (1 ) entries in cells are simple; (2 ) entries in columns are from the same set of values; (3 ) each row is unique; (4 ) the sequence of columns is insignificant; and (5 ) the sequence of rows is insignificant.
CL

Answer to Question 2

C




erika

  • Member
  • Posts: 522
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review


duy1981999

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

For a complete list of videos, visit our video library