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

Author Question: A key that contains more than one attribute is called a(n): A) composite key. B) complex key. ... (Read 33 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
A key that contains more than one attribute is called a(n):
 
  A) composite key.
  B) complex key.
  C) multi-key.
  D) n-key.
  E) candidate key.

Question 2

When an SQL SELECT statement is used to retrieve data from a view instance, the maximum number of columns that can be specified in the SELECT is the same as the number of columns:
 
  A) in the table underlying the view.
  B) in the VIEW specification.
  C) in the ORDER BY clause.
  D) in the HAVING clause.
  E) that have aliases.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

A

Answer to Question 2

B





 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

For a complete list of videos, visit our video library