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

Author Question: SQL views are always updatable when ________. A) the view is based on a single table with no ... (Read 49 times)

FButt

  • Hero Member
  • *****
  • Posts: 519
SQL views are always updatable when ________.
 
  A) the view is based on a single table with no computed columns, and all non-null columns are present in the view
  B) the view is based on any number of tables, with or without computed columns, and the INSTEAD OF trigger is defined for the view
  C) the view is based on multiple tables, the update is being done on the most subordinate table, and the rows of that table can be uniquely identified
  D) Both A and B are correct

Question 2

Rollforward and reprocessing are two different names for the same technique.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

D

Answer to Question 2

FALSE




FButt

  • Member
  • Posts: 519
Reply 2 on: Jul 7, 2018
:D TYSM


Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

For a complete list of videos, visit our video library