This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A relation is in Boyce-Codd normal form (BCNF) if and only if it is in 3NF and ________. A) all ... (Read 103 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
on: Jul 7, 2018
A relation is in Boyce-Codd normal form (BCNF) if and only if it is in 3NF 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 determinant is a candidate key

Question 2

When one SQL query is embedded in another SQL query, this is referred to as a ________.
 
  A) subquery
  B) join
  C) WHERE Query
  D) subset query


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Andromeda18

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

A


dalyningkenk

  • Member
  • Posts: 598
Reply 2 on: Jul 7, 2018
Excellent

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Ore Deposits That Can Form in Stratovolcanoes Ore Deposits That Can Form in Stratovolcanoes
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
A normal chest X-ray. A normal chest X-ray.
Pressure drop after 10 minutes on a normal port fuel-injection system. Pressure drop after 10 minutes on a normal port fuel-injection system.
Effect of pH on drug absorption. (a) A weak acid such as aspirin (ASA) is in a nonionized form in an ... Effect of pH on drug absorption. (a) A weak acid such as aspirin (ASA) is in a nonionized form in an ...
Physical Fitness Profile Form. Physical Fitness Profile Form.
Video: Ionic bonds - role of ions in the body

For a complete list of videos, visit our video library