Author Question: Operational databases store historical data. Indicate whether the statement is true or ... (Read 33 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?

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?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

For a complete list of videos, visit our video library