The System.Data.OracleClient namespace is the .NET Framework Data Provider for Oracle.
The .NET Framework Data Provider for Oracle describes a collection of classes for accessing an Oracle data source in the managed space. Using the OracleDataAdapter class, you can fill a memory-resident DataSet, query it, and use it to update the data source.
The .NET Framework Data Provider for Oracle supports a number of Oracle data types, including the BFILE, LOB, and REF CURSOR data types. For information about using Oracle data types in parameters, see OracleType.
Automatically generates single-table commands used to reconcile changes made to a DataSet with the associated database. This class cannot be inherited.
Represents a set of data commands and a connection to a database that are used to fill the DataSet and update the database. This class cannot be inherited.
The exception that is generated when a warning or error is returned by an Oracle database or the .NET Framework Data Provider for Oracle. This class cannot be inherited.
Represents a collection of parameters relevant to an OracleCommand as well as their respective mappings to columns in a DataSet. This class cannot be inherited.
Represents the value returned from a database comparison operation between Oracle data types, and exposes methods used to perform data type conversions.