« previous next »

Author Question: A relation is in second normal form (2NF) if and only if it is in 1NF and ________. A) all ... (Read 94 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Jul 7, 2018
A relation is in second normal form (2NF) if and only if it is in 1NF and ________.
 
  A) all non-key attributes are determined by the entire primary key
  B) there are no non-key attributes determined by another non-key attribute
  C) every attribute is a candidate key
  D) every candidate key is a determinant

Question 2

For database/XML applications, a good rule to follow is that elements are used to carry data and attributes are used to carry metadata.
 
  Indicate whether the statement is true or false


voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

tuffie

  • Hero Member
  • *****
  • Posts: 534
Reply #2 on: Jul 7, 2018
Thank you


voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Reply #3 on: Jul 7, 2018
No problemo


« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

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

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Evolutionary change in the tetrapod lineage, showing a transitional form. Evolutionary change in the tetrapod lineage, showing a transitional form.
Changes in bronchioles during an asthma attack: (A) normal bronchiole and (B) in asthma attack. Changes in bronchioles during an asthma attack: (A) normal bronchiole and (B) in asthma attack.
Rhytidoplasty. This is a common form of plastic surgery in which the skin is pulled and sutured to d Rhytidoplasty. This is a common form of plastic surgery in which the skin is pulled and sutured to d
Ranges of normal temperature values Ranges of normal temperature values
Position of lung lobes in relation to anatomical landmarks Position of lung lobes in relation to anatomical landmarks
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Video: Muscular Dystrophy

For a complete list of videos, visit our video library