Author Question: Files that have been zipped take ________ storage space. A) less B) more C) equal amounts of ... (Read 38 times)

burchfield96

  • Hero Member
  • *****
  • Posts: 610
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
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
 

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

For a complete list of videos, visit our video library