Author Question: First normal form (4NF) states which of the following? A) In an all-key table, part of the key ... (Read 35 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
First normal form (4NF) states which of the following?
 
  A) In an all-key table, part of the key can determine multiple values of, at most, one other
  field.
  B) All fields must contain single values only.
  C) A non-key field may not determine a non-key field.
  D) Part of the primary key may not determine a non-key field.

Question 2

In an unsupervised data mining technique, analysts do not create a model or hypothesis before running the analysis.
 
  Indicate whether the statement is true or false


miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Answer to Question 1

A

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library