Author Question: The ________ is the structure that contains descriptions of objects such as tables and views created ... (Read 75 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
The ________ is the structure that contains descriptions of objects such as tables and views created by users.
 
  A) SQL
  B) schema
  C) catalog
  D) master view

Question 2

An attribute of an entity that must have a value for each entity instance is a(n):
 
  A) optional attribute.
  B) composite attribute.
  C) required attribute.
  D) fuzzy attribute.


Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library