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Author Question: Key physical database design decisions typically do not include: A) choosing the storage format ... (Read 52 times)

karlynnae

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on: Jul 7, 2018
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

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Reply #1 on: Jul 7, 2018
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


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