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What are different levels of ORM quality?
There are four levels defined for ORM quality:
  * Pure relational: The entire application, including the UI is designed around the relational model and SQL based relational operation.
  * Light Object Mapping: The entities are represented as classes that are mapped manually to the relational tables. The code is hidden from the business logic using specific design patterns.
  * Medium Object Mapping: The application is designed around an object model. The SQL code is generated at build time, and the association between objects is supported by the persistence mechanism, and queries are specified using an object-oriented expression language. This is best suited for medium-sized applications with some complex transactions. 
  * Full Object Mapping: Full Object Mapping supports sophisticated object modeling, composition, inheritance, polymorphism and persistence. 
Posted By: Name:Rajesh Kr URL: What are different levels of ORM quality?