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System.Data.Common.DbConnection (class)

Base class for various vendor's database connection.
A class that derives from S.D.C.DbConnection is for example Oracle.DataAccess.Client.OracleConnection.
An important class in the ADO.NET framework that uses the functionality of DbConnection is System.Data.Common.DataAdapter.

Transactions

A transaction can be started by calling BeginTrasaction(). This method returns a System.Data.Common.DbTransaction object (which in turn has methods such as Commit() and Rollback().

See also

The CreateConnection() method of the System.Data.Common.DbProviderFactory class.
ADO.NET: context connections

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