« previous next »

Author Question: Which of the following statements is true of identifiers? A) They are constraints on minimum ... (Read 6 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?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Which of the following statements is true of linkage? Which of the following statements is true of linkage?
Examples of Mission Statements Examples of Mission Statements
How to quickly determine the maximum or minimum value of a quadratic equation in standard form How to quickly determine the maximum or minimum value of a quadratic equation in standard form
State the amplitude, period, equation of the axis, and maximum and minimum value State the amplitude, period, equation of the axis, and maximum and minimum value
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

For a complete list of videos, visit our video library