Author Question: Key physical database design decisions typically do not include: A) choosing the storage format ... (Read 42 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?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

For a complete list of videos, visit our video library