Is there any way in .NET, other then Oledb to be database independent

Is there a way my DAL classes can be re used across different databases ?

I know some technologies (Linq and EF) support rapid development, I appreciate this feature but I also want to keep my DAL Code reuse able in different database.

A Simple thing that come to mind is use of Oledb with inline SQL queries, Is there a more elegant way ? please guide me. I am just considering 2 things.

support to 4 most commonly used databases (SQL Server, My SQL, Access, Oracle).
Rapid development support.

Thanks

Solution

Entity Framework does the work you want. The most commonly used databases support it, with the exception of Oracle. For Oracle, you have to use third-party components as the official Oracle support for Entity Framework is still in beta.

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