Author Question: Which of the following is true of a data model? A) It is created after the database is designed. ... (Read 108 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
Which of the following is true of a data model?
 
  A) It is created after the database is designed.
  B) It is an attribute whose value is associated with only one entity instance.
  C) It is a logical representation of the structure of the data.
  D) It does not describe the relationships among the data.

Question 2

Version management systems facilitate tracking changes to documents and provide features and functions to accommodate concurrent work.
 
  Indicate whether the statement is true or false



vkodali

  • Sr. Member
  • ****
  • Posts: 357
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?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library