Author Question: The most common style for a logical database model is the: A) relational database model. B) ... (Read 141 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
The most common style for a logical database model is the:
 
  A) relational database model.
  B) hierarchical database model.
  C) network database model.
  D) object-oriented database model.
  E) hybrid database model.

Question 2

Hiding the internal implementation details of an object from its external view is called incorporation.
 
  Indicate whether the statement is true or false



Jadwiga9

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

A
Explanation: A) The relational model is by far the most frequently used database technology used today. Competing models such as the object-oriented approach have not taken off.
CL

Answer to Question 2

FALSE
Explanation: This technique of hiding the internal implementation details of an object from its external view is known as encapsulation.
CL



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?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library