Author Question: First normal form (4NF) states which of the following? A) In an all-key table, part of the key ... (Read 25 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?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

For a complete list of videos, visit our video library