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Advanced Enterprise
Object Modeling

This chapter discusses advanced enterprise object modeling issues not covered in the chapter "Designing Enterprise Objects." It is organized into the following sections:

• "Modeling Complex Attributes" describes how to work with RTF text, image data, and your own custom data types.

• "Modeling Relationships" describes approaches for modeling optional to-one relationships, handling null-valued
  to-one relationships, and modeling many-to-many relationships.

• "Modeling Inheritance" describes the three ways to model inheritance and the advantages and disadvantages of each.

• "Designing Database-Savvy Enterprise Objects" describes how to implement an enterprise object class that knows how to fetch its instances.

Modeling Complex Attributes