Author Question: Which of the following statements is true of identifiers? A) They are constraints on minimum ... (Read 35 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
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
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

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?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

For a complete list of videos, visit our video library