Author Question: All of the following are advantages of packaged data models EXCEPT: A) packaged data models can ... (Read 79 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
All of the following are advantages of packaged data models EXCEPT:
 
  A) packaged data models can be built using proven components evolved from cumulative experiences.
  B) projects take less time and cost less.
  C) the data model is easier to evolve.
  D) more one-to-one relationships give the data model more flexibility.

Question 2

The NoSQL model that incorporates 'column families' is called a:
 
  A) key-value score.
  B) document store.
  C) wide-column store.
  D) column-SQL database.


elizabethrperez

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library