This topic contains a solution. Click here to go to the answer

Author Question: In general, each relation should have ________. A) one and only one theme B) one or more themes ... (Read 96 times)

londonang

  • Hero Member
  • *****
  • Posts: 540
In general, each relation should have ________.
 
  A) one and only one theme
  B) one or more themes
  C) exactly two themes
  D) one or two themes

Question 2

Minimum cardinality refers to ________.
 
  A) the most instances of one entity class that can be involved in a relationship with one instance of another entity class
  B) the minimum number of entity classes involved in a relationship
  C) whether or not an instance of one entity class is required to be related to an instance of another entity class
  D) whether or not an entity is a weak entity



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Swizqar

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

A

Answer to Question 2

C





 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

For a complete list of videos, visit our video library