Author Question: To be useful, classes must be mutually inclusive. Indicate whether the statement is true or ... (Read 83 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
To be useful, classes must be mutually inclusive.
 
  Indicate whether the statement is true or false

Question 2

What best describes the function of a foreign key?
 
  A) A foreign key is a key that doesn't belong in the table
  B) A foreign key is at the primary key of one table repeated in another table in order to create a relationship between the tables
  C) A foreign key is redundant data
  D) A foreign key is a field telling what language the data is in



tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

FALSE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

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

For a complete list of videos, visit our video library