« previous next »

Author Question: Which of the following is true of a data model? A) It is created after the database is designed. ... (Read 94 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?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Nitrogen fluxes in Sycamore Creek, Arizona (data from Grimm 1988). Nitrogen fluxes in Sycamore Creek, Arizona (data from Grimm 1988).
Immunoglobulin G. (b) A ribbon model of the first complete IgG molecule to be crystallized Immunoglobulin G. (b) A ribbon model of the first complete IgG molecule to be crystallized
Heart Model Heart Model
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19 Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
A gene map for chromosome 12 from the NCBI database Map Viewer A gene map for chromosome 12 from the NCBI database Map Viewer
A three-gene additive model for wheat kernel color A three-gene additive model for wheat kernel color
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

For a complete list of videos, visit our video library