This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is query optimization? What will be an ideal response?[br][br][b][color=#7BCCB5]Question ... (Read 16 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jul 7, 2018
What is query optimization?
 
  What will be an ideal response?

Question 2

What type of columns does a fact table contain?
 
  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

cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 7, 2018
Answer to Question 1

Query optimization refers to examining multiple ways of executing the same query and choosing the fastest option.

Answer to Question 2

A fact table contains fact-measure attributes and foreign keys that connect the fact table to the dimension tables.


roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jul 7, 2018
Wow, this really help

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Question Question
The human hypothalamus (in color) in relation to the optic chiasm and the pituitary gland. The human hypothalamus (in color) in relation to the optic chiasm and the pituitary gland.
Solve this probability question Solve this probability question
Economics question Economics question
economic question economic question
economic question economic question
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library