ADO.NET vNext is a leap forward in database programming, using mapping files to isolate your applications from relational database schema changes, and letting you choose whether to deal with data directly as objects or as tabular data.
by Thiru Thangarathinam
November 3, 2006
DO.NET provides many rich features that you can use to retrieve data from data sources in a number of ways, but with that flexibility developers sometimes end up tightly coupling their client applications to data sources such as relational databases. This can happen even when developers try to architect their program with a separate data access layer.
In tightly coupled applications the client application has intimate knowledge of the database schema implementation—thereby making it extremely difficult to apply the code and concepts to a different area or a different data store, or simply making it difficult or impossible to alter the data store without also altering the application code. The tight coupling isn't always one way; altering the application may require changes to the database as well.
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DO.NET provides many rich features that you can use to retrieve data from data sources in a number of ways, but with that flexibility developers sometimes end up tightly coupling their client applications to data sources such as relational databases. This can happen even when developers try to architect their program with a separate data access layer.
