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 36 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?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ... The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...
Complex systems and subsystems: watershed Complex systems and subsystems: watershed
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin
Video: Pores and Ion Channels

For a complete list of videos, visit our video library