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

Author Question: In a relation, the sequence of columns can be interchanged without changing the meaning or use of ... (Read 19 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

A


Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Jugular Venous Pulse Waves in Relation to the Phonocardiogram and Electrocardiogram Jugular Venous Pulse Waves in Relation to the Phonocardiogram and Electrocardiogram
Evolutionary tree derived from amino acid sequence comparisons Evolutionary tree derived from amino acid sequence comparisons
The sequence and postulated structure of glycophorin A The sequence and postulated structure of glycophorin A
Suggested sequence for palpating lymph nodes Suggested sequence for palpating lymph nodes
Sequence Series Arithmatic Progression Problem Sequence Series Arithmatic Progression Problem
A Changing Planet — 1e A Changing Planet — 1e
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library