« previous next »

Author Question: Which of the following terms best describes the condition where every foreign key must refer to an ... (Read 66 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Jul 7, 2018
Which of the following terms best describes the condition where every foreign key must refer to an existing primary key?
 
  A) Physical Design
  B) Null values
  C) Referential Integrity
  D) All of the above

Question 2

The data dictionary is a reference work of data about data.
 
  Indicate whether the statement is true or false


cat123

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

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

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th
American Foreign Trade, 1790–1812 American Foreign Trade, 1790–1812
Inflated Phrases Compared with Concise Terms Cont Inflated Phrases Compared with Concise Terms Cont
Commonly Misspelled Medical Terms Commonly Misspelled Medical Terms
Frequently Used Computer Terms Frequently Used Computer Terms
The process of phagocytosis: a phagocyte engulfing bacteria or other foreign material. The process of phagocytosis: a phagocyte engulfing bacteria or other foreign material.
Video: Brain Lobes Animation

For a complete list of videos, visit our video library