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

Author Question: In a relation, the sequence of columns can be interchanged without changing the meaning or use of ... (Read 35 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
In a relation, the sequence of columns can be interchanged without changing the meaning or use of the ________.
 
  A) Relation
  B) Attribute
  C) Row
  D) Primary key

Question 2

A(n) ________ is an attribute that may take on more than one value for each entity instance.
 
  A) Multi-valued attribute
  B) Single-valued attribute
  C) Identifier
  D) Candidate key



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuwy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

A




Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)


tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library