« previous next »

Author Question: Which of the following is true of a data model? A) It is created after the database is designed. ... (Read 22 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

misspop

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 7, 2018
Correct answers!


vkodali

  • Sr. Member
  • ****
  • Posts: 357
Reply #3 on: Jul 7, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger
Information Processing Model The components of the model operate simultaneously. Information Processing Model The components of the model operate simultaneously.
Marx's Model Of The Social Classes Marx's Model Of The Social Classes
How to create a frequency table and histogram from raw data How to create a frequency table and histogram from raw data
James Watson and Francis Crick’s metal-and wire model of DNA James Watson and Francis Crick’s metal-and wire model of DNA
Gamete genotype frequencies calculated from genetic linkage data Gamete genotype frequencies calculated from genetic linkage data
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library