A classic example of unneeded normalization is when we are ...

[karateprodigy]

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]

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.