Author Question: The ________ is the structure that contains descriptions of objects such as tables and views created ... (Read 35 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?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

For a complete list of videos, visit our video library