Database Modeling and Design

4 CHAPTER 1 Introduction
Information requirements
Determine requirements
Logical design
Model
[multiple views]
Integrate views
[single view]
Transform to SQL tables
Normalize
Select indexes
Physical design
[else]
[special requirements]
Denormalize
Implementation
Implement
[else]
Monitor and detect changing requirements
[defunct]
Figure 1.1
The database life cycle
expressions or SQL commands, along with the frequency of
occurrence. Figure 1.2 [step II(a)] shows a possible ER model
representation of the product/customer database in the mind
of the end user.