Introduction

While data modeling can be complex, this Overview Guide can help Data Architects understand data modeling and its uses.

Overall, this guide has the following purposes:

• Provide a basic level of understanding of the data modeling method used by erwin� Data Modeler that is sufficient to do real database design.
• Introduce some of the descriptive power and richness of the IDEF1X and IE modeling languages supported, and to provide a foundation for future learning.
• Provide information about the supported features of IDEF1X and IE in erwin� Data Modeler, and the mapping between these methods.