Author Question: Which of the following terms best describes the condition where every foreign key must refer to an ... (Read 58 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
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
Answer to Question 1

C

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

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 U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

For a complete list of videos, visit our video library