This topic contains a solution. Click here to go to the answer

Author Question: One important difference between a relation and a column family is that ________. A) the rows in ... (Read 34 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
One important difference between a relation and a column family is that ________.
 
  A) the rows in a column family can have different numbers of columns
  B) the columns in a column family are unnamed
  C) all values in a column family must have the same timestamp
  D) values in a column family must be strings

Question 2

Which SQL keyword is used to change the values of an entire column?
 
  A) CHANGE
  B) INSERT
  C) SELECT
  D) SET



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

welcom1000

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

A

Answer to Question 2

D




melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jul 7, 2018
Gracias!


Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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