« previous next »

Author Question: The most common style for a logical database model is the: A) relational database model. B) ... (Read 130 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
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
« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Several common functional groups in a single biomolecule Several common functional groups in a single biomolecule
The Solar Model The Solar Model
Granite: a Common Rock in Continental Crust Granite: a Common Rock in Continental Crust
Diagonal pliers are another common tool that has many names. Diagonal pliers are another common tool that has many names.
IPCC model projections depend on greenhouse gas emissions IPCC model projections depend on greenhouse gas emissions
Vermont Instruments manufactures two models of calculators. The finance model is the Fin-X and ... Vermont Instruments manufactures two models of calculators. The finance model is the Fin-X and ...
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

For a complete list of videos, visit our video library