EF, that thing.

Enitityframework

1--> What is Enitityframework

Relationship between 1.1--> and ASP and ADO

The ADO Framework is an object-relational correspondence (O/R Mapping) solution developed by Microsoft on the basis of ADO, which was earlier known as ObjectSpace.

　　The Entity Framework is a set of technologies in ADO that support the development of data-oriented software applications. is an ORM framework for Microsoft.　　1.2--> What is the O/R Mapping 　　 Generalized, ORM refers to the mutual transformation between the object-oriented object model and the data structure of the relational database. 　　 In the narrow sense, ORM can be considered as a data storage based on relational database, which realizes a virtual object-oriented data access interface. Ideally, based on such an object-oriented interface, persisting an Oo object should not require understanding the implementation details of any relational database storage data.

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EF, that thing.