Author Question: In a relation, each row is unique and uniqueness is guaranteed because the relation has a non-empty ... (Read 26 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
In a relation, each row is unique and uniqueness is guaranteed because the relation has a non-empty ________ key value.
 
  A) Unique
  B) Composite
  C) Candidate
  D) Primary

Question 2

Which approach to planning begins with an analysis of an organization's mission?
 
  A) Top-down planning
  B) Top-down projects
  C) Bottom up planning
  D) Bottom up goals


quynhmickitran

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

There are more bacteria in your mouth than there are people in the world.

For a complete list of videos, visit our video library