Author Question: Key physical database design decisions typically do not include: A) choosing the storage format ... (Read 79 times)

karlynnae

  • Hero Member
  • *****
  • Posts: 599
Key physical database design decisions typically do not include:
 
  A) choosing the storage format for each attribute from the logical database model.
  B) grouping attributes from the logical database model into physical records.
  C) arranging related records in secondary memory so that individual and groups of records can be stored, retrieved, and updated rapidly.
  D) selecting media and structures for storing data to make access more efficient.
  E) conducting requirements structuring.

Question 2

Please wait while I open the file is an example of:
 
  A) status information.
  B) a remark.
  C) a warning message.
  D) a prompting cue.
  E) a class or composition validation test.



ansleighelindsey

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

E
Explanation: E) Requirements structuring is part of the systems analysis phase of the SDLC. The others are related to key physical database decisions.
CL

Answer to Question 2

A
Explanation: A) Providing status information is a simple technique for keeping users informed of what is going on within a system.
CL



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library