Author Question: The ________ is the structure that contains descriptions of objects such as tables and views created ... (Read 74 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?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

For a complete list of videos, visit our video library