Author Question: A relation is in second normal form (2NF) if and only if it is in 1NF and ________. A) all ... (Read 114 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
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
Answer to Question 1

A

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

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

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library