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

Author Question: What is view materialization? What will be an ideal response?[br][br][b][color=#151B54]Question ... (Read 41 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
What is view materialization?
 
  What will be an ideal response?

Question 2

Describe the delete restrict option (for implementing a referential integrity constraint).
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jordangronback

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

View materialization refers to saving a view as an actual physical table. Such a view is referred to as a materialized view. The idea behind view materialization is to improve the performance of queries on frequently used views.

Answer to Question 2

The delete restrict option does not allow a record to be deleted if its primary key value is referred to by a foreign key value.




sjones

  • Member
  • Posts: 520
Reply 2 on: Jul 7, 2018
Wow, this really help


kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

For a complete list of videos, visit our video library