« previous next »

Author Question: Files that have been zipped take ________ storage space. A) less B) more C) equal amounts of ... (Read 81 times)

burchfield96

  • Hero Member
  • *****
  • Posts: 610
on: Aug 28, 2018
Files that have been zipped take ________ storage space.
 
  A) less
  B) more
  C) equal amounts of
  D) no amount of

Question 2

What is the purpose of a primary key?
 
  What will be an ideal response?


mk6555

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Aug 28, 2018
Answer to Question 1

A

Answer to Question 2

A primary key uniquely identifies a record. Each record represents a single person, place, thing, or event. The primary key identifies which person, place, thing, or event it is. It also speeds access to your data and is used to form relationships.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Space Debris Space Debris
Lunokhod 1 (lit. moonwalker), the first successful space rover. Lunokhod 1 (lit. moonwalker), the first successful space rover.
Human Memorabilia in Space Human Memorabilia in Space
Hardware, Software, and Storage Components Hardware, Software, and Storage Components
An offset screwdriver is used to install or remove fasteners that do not have enough space above to ... An offset screwdriver is used to install or remove fasteners that do not have enough space above to ...
Create space between metatarsals by pulling sides of foot away from each other. Create space between metatarsals by pulling sides of foot away from each other.
Video: Allergic Rhinitis

For a complete list of videos, visit our video library