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Question: What are different types of object mapping

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User: shruti888 Post Date: 26 Apr 2011 01:51

What are different types of object mapping

Following are the three types of object mapping:

a)Light object mapping : In this mapping Entities are represented as classes that are mapped manually to the relational tables

b)Medium object mapping  :In this mapping Application is designed around an object model and Associations between object are supported by the persistence mechanism. SQL is generated using code generation or at runtime by framework code. 

c)Full object mapping : In this mapping sophisticated object modelling like composition, inheritance, polymorphism is used.

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