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

Author Question: In a doubly nested set of NOT EXISTS SELECT statements, ________. A) if a row does not not match ... (Read 107 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
In a doubly nested set of NOT EXISTS SELECT statements, ________.
 
  A) if a row does not not match any row, then it matches every row
  B) if a row matches any row, then it matches every row
  C) if a row does not match any row, then it does not match every row
  D) if a row matches any row, then it does not match every row

Question 2

XML Schemas consist of ________.
 
  A) elements
  B) attributes
  C) properties
  D) A and B
  E) A, B, and C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

snackralk

  • Sr. Member
  • ****
  • Posts: 363
Answer to Question 1

A

Answer to Question 2

D





 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

For a complete list of videos, visit our video library