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Entity Framework


Entity Framework

LinQ to SQL : map a “1 Table = 1 Entity”

Entity Framework allow the developer to create a DAL (Data Access Layer) ORM (Object Relation Mapping

Entity Framework Components

  • Conceptual schema definition language (CSDL) defines the conceptual model. CSDL is the Entity Framework ‘s implementation of the Entity Data Model. The file extension is .csdl.
  • Store schema definition language (SSDL) defines the storage model, which is also called the logical model. The file extension is .ssdl.
  • Mapping specification language (MSL) defines the mappings between the storage and conceptual models. The file extension is .msl.

Accessing Entity Framework

Reference:
[1] http://pmusso.developpez.com/tutoriels/dotnet/entity-framework/introduction/
[2] http://msdn.microsoft.com/en-us/library/bb399567.aspx

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