Author Question: Which of the following statements is true of identifiers? A) They are constraints on minimum ... (Read 42 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?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

For a complete list of videos, visit our video library