Author Question: A combination key is a group of attributes that uniquely identifies a row. Indicate whether the ... (Read 99 times)

RYAN BANYAN

  • Hero Member
  • *****
  • Posts: 563
A combination key is a group of attributes that uniquely identifies a row.
 
  Indicate whether the statement is true or false

Question 2

Which of the following is a common unsupervised data mining technique?
 
  A) Cluster analysis
  B) Regression analysis
  C) RFM analysis
  D) Both A and B
  E) All of the above



qytan

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

FALSE

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

For a complete list of videos, visit our video library