« previous next »

Author Question: Which of the following statements is true of identifiers? A) They are constraints on minimum ... (Read 40 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jul 7, 2018
Which of the following statements is true of identifiers?
 
  A) They are constraints on minimum requirements in a relationship.
  B) They are data that users want to track.
  C) They highlight instances of data duplication in a database.
  D) They are attributes whose values are associated with only one entity instance.

Question 2

In the ________ phase of the systems development life cycle, developers use management's statement of the system needs in order to develop a new information system.
 
  A) system definition
  B) requirements analysis
  C) component design
  D) implementation


olivia_paige29

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Ratings of Perceived Contradictions in Political Statements Ratings of Perceived Contradictions in Political Statements
Which is TRUE about the alternation of generations cycle that is diagramed above? Which is TRUE about the alternation of generations cycle that is diagramed above?
How to find the maximum and minimum of a quadratic relation How to find the maximum and minimum of a quadratic relation
Marriages and Families: Changes, Choices, and Constraints, 9th Edition Marriages and Families: Changes, Choices, and Constraints, 9th Edition
Video: Otitis Media

For a complete list of videos, visit our video library