Author Question: Changing cardinalities ________. A) never occurs in database redesign B) rarely occurs in ... (Read 160 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
Changing cardinalities ________.
 
  A) never occurs in database redesign
  B) rarely occurs in database redesign
  C) commonly occurs in database redesign
  D) always occurs in database redesign

Question 2

Which of the following is true of clustered indexes?
 
  A) They are normally slower than nonclustered indexes for retrieving data.
  B) Only one is allowed per table.
  C) They are normally slower than nonclustered indexes for updating data.
  D) They do not have data in the bottom level.



emily12345

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

For a complete list of videos, visit our video library