Author Question: Databases may be more expensive to maintain than files because of: A) the need for specialized ... (Read 77 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
Databases may be more expensive to maintain than files because of:
 
  A) the need for specialized personnel.
  B) the complexity of the database environment.
  C) backup and recovery needs.
  D) all of the above.

Question 2

Which of the following is an entity type on which a strong entity depends?
 
  A) Owner
  B) Member
  C) Attribute
  D) None of the above



micaelaswann

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

For a complete list of videos, visit our video library