This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A key that contains more than one attribute is called a(n): A) composite key. B) complex key. ... (Read 40 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

B


Tazate

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jul 7, 2018
Correct answers!


akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 7, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland. The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized
ECG Complex ECG Complex
The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil
How to divide imaginary terms and complex numbers How to divide imaginary terms and complex numbers
Golgi Complex Golgi Complex
Video: Splitting of Sugar, Oxidation/ Reduction & ATP Generation

For a complete list of videos, visit our video library