« previous next »

Author Question: When the primary key of one relation is placed into a second relation, it is called a: A) field ... (Read 100 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
on: Jul 7, 2018
When the primary key of one relation is placed into a second relation, it is called a:
 
  A) field key.
  B) referential integrity.
  C) foreign key.
  D) candidate key.
  E) relocated key.

Question 2

System requirements as documented by use cases, business rules, forms, reports, and queries are sufficient to design the database without using a formal data model.
 
  Indicate whether the statement is true or false


Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 7, 2018
Correct answers!


Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 7, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Your heart beats over 36 million times a year.

Animals of Hindustan monkeys called bandar that can be taught to do tricks Animals of Hindustan monkeys called bandar that can be taught to do tricks
Sterile field instructions Sterile field instructions
Preparation of sterile field 4 Preparation of sterile field 4
Types of primary skin lesions Types of primary skin lesions
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Primary growth in a root Primary growth in a root
Video: Introduction to Sleep Apnea

For a complete list of videos, visit our video library