Author Question: To be useful, classes must be mutually inclusive. Indicate whether the statement is true or ... (Read 82 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?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

For a complete list of videos, visit our video library