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

Author Question: How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram ... (Read 37 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram will have composite primary keys?
 
  A) 0
  B) 1
  C) 2
  D) 3

Question 2

The following attribute can contain more than one value for each entity instance.
 
  A) Unique attribute
  B) Composite attribute
  C) Multivalued attribute
  D) Derived attribute



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

B

Answer to Question 2

C





 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

For a complete list of videos, visit our video library