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Object Relational Mapping

The basic goal of Relational Mapping is to determine an effective strategy for persisting a relationship between two or more objects. eXpress Persistent Objects provides the Transparent and Controllable Object-Relational Mapping System. By using .NET Reflection and built-in attributes, XPO is able to map the properties of business objects to relational database tables. Object associations (one-to-one, one-to-many, many-to-many), aggregation and inheritance are all FULLY supported. All this is described in the following topics: