Building a Data Model - High-Performance Web Databases: Design, Development, and Deployment - page 221

Exhibit 14-4. The data modeling process.

Exhibit 4 illustrates all the steps in the data modeling process, The result
is a simple, clear, sharable, stable model exhibiting minimal redundancy
and accurately reflecting both the structure and the integrity of informa-
tion used within the business.

CRITICAL SUCCESS FACTORS IN DATA MODELING

For successful application of a data modeling methodology, the manager
should:

• Work interactively with the users as much as possible. This will ensure

that the manager and the users share an understanding of the informa-
tion requirements.

• Follow a structured methodology throughout the data modeling process.

Choose a methodology before beginning and stay with it.