Dario Santarelli • 11/26/2011

[Entity Framework v4] Identity map pattern

This technical article details the Identity Map pattern, a core concept in Object-Relational Mapping (ORM) to solve the object-relational impedance mismatch. It explains the pattern's purpose, provides a code example without it to illustrate concurrency issues, and begins to demonstrate its implementation within Microsoft's Entity Framework v4 to ensure single object instances per database record.

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#design patterns #orm #Entity Framework