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 139 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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

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

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library