« previous next »

Author Question: Which of the following best defines the term referential integrity? A) Relationships among tables ... (Read 52 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
on: Jul 7, 2018
Which of the following best defines the term referential integrity?
 
  A) Relationships among tables
  B) Every foreign key must relate to an existing primary key
  C) Every primary key must be unique
  D) None of the above

Question 2

Malware can be put into two broad categories, based first on how it spreads or propagates to reach the desired targets and then on the actions or payloads it performs once a target is reached.
 
  Indicate whether the statement is true or false.


diana chang

  • Sr. Member
  • ****
  • Posts: 288
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

T


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

vinney12

  • Hero Member
  • *****
  • Posts: 586
Reply #2 on: Jul 7, 2018
Correct answers!


diana chang

  • Sr. Member
  • ****
  • Posts: 288
Reply #3 on: Jul 7, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

The Role of the Hippocampus and Cerebral Cortex in Long-Term Memory Storage The Role of the Hippocampus and Cerebral Cortex in Long-Term Memory Storage
CS-US Relationships Predict Conditioning CS-US Relationships Predict Conditioning
Lattice Parameter Relationships and Figures Showing Unit Cell Geometries for the Seven Crystal Syste Lattice Parameter Relationships and Figures Showing Unit Cell Geometries for the Seven Crystal Syste
Relationships of DNA to mRNA to polypeptide chain Relationships of DNA to mRNA to polypeptide chain
The term “natural,” when used on the packaging of meat and poultry The term “natural,” when used on the packaging of meat and poultry
These findings are from Colby and Kohlberg's long-term longitudinal study These findings are from Colby and Kohlberg's long-term longitudinal study
Video: Embryonic development - Week 4

For a complete list of videos, visit our video library