Author Question: Operational databases store historical data. Indicate whether the statement is true or ... (Read 77 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
Operational databases store historical data.
 
  Indicate whether the statement is true or false

Question 2

The number of entity classes involved in a relationship is known as the relationship's:
 
  A) maximum cardinality.
  B) minimum cardinality.
  C) ordinality.
  D) degree.
  E) class.



ebe

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

FALSE

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

For a complete list of videos, visit our video library