« previous next »

Author Question: Which of the following best defines the term referential integrity? A) Relationships among tables ... (Read 86 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?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Relationships among the coding sequence of a gene, the codon sequence of an mRNA, the anticodons of Relationships among the coding sequence of a gene, the codon sequence of an mRNA, the anticodons of
Scattergrams are a mechanism used by political scientists to show patterns and relationships among v Scattergrams are a mechanism used by political scientists to show patterns and relationships among v
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
Middle adults usually have more time to focus attention on their relationships Middle adults usually have more time to focus attention on their relationships
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: Krebs cycle : Formation of acetyl coenzyme A and Electron transport chain

For a complete list of videos, visit our video library