Back to the Data Model.
 The Draft Business Rules have been defined and are listed below.
A. The Area being Modelled is :-
 A Zoo.
B. The Things of Interest include :-
- Animals
 - Animal Breeds
 - Animal Checkups
 - Dietary Requirements
 - Food Items
 - Food Item Categories
 - Meals 
 - Zoos
  
C. How are these Things related :-
 
- An Animal can have one and only set of Dietary Requirements.
 - Animals have regular Health Checkups.
 - Each Animal Breed has recommended Daily Dietary Requirements.
 - Each particular Animal in the Zoo my also have special Daily Dietary Requirements.
 - A Diet is made up of standard Food Items.
 - Each Food Item is in a recognized Food Category.
 - A Zoo can have zero, one or many Animals.
  
D. Characteristics of these Things :-
 - An Animal has :-
 - A Name, a Data of Birth (if known) and is of a recognised Breed.
  
E. User Scenarios :-
 
- An Animal arrives at the Zoo.
  
Barry Williams
Principal Consultant
Database Answers Ltd.
 1st. November 2002
  
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