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Author Question: A classic example of unneeded normalization is when we are dealing with ________. A) ZIP codes ... (Read 42 times)

karateprodigy

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on: Jul 7, 2018
A classic example of unneeded normalization is when we are dealing with ________.
 
  A) ZIP codes
  B) sales orders and line items
  C) association patterns
  D) multivalued dependencies

Question 2

What are tree, simple networks and complex networks?
 
  What will be an ideal response?


dajones82

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

A tree is a set of records and the 1:N relationships between them, where a child record has only one parent. A simple network is a set of records and the 1:N relationships between them, but a child record may have more than one parent. A complex network is a set of records and the N:M relationships between them.


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