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.